2011 - MX-5 Service Highlights

General Information
Engine
Body and Accessories
Service Highlights - General Information
2011 - MX-5

General Information

VEHICLE IDENTIFICATION NUMBER (VIN) CODE

VEHICLE IDENTIFICATION NUMBER (VIN)
Service Highlights - Engine
2011 - MX-5

Outline

ENGINE ABBREVIATIONS [LF]

ENGINE FEATURES [LF]
ENGINE SPECIFICATIONS [LF (Except U.S.A., Canada and Mexico)]
ENGINE SPECIFICATIONS [LF]

On-Board Diagnostics

ON-BOARD DIAGNOSTIC OUTLINE [LF]

ON-BOARD DIAGNOSTIC SYSTEM TEST MODE [LF]
DTC DETECTION LOGIC AND CONDITIONS [LF]

Control System

ENGINE CONTROL SYSTEM OUTLINE [LF]

DRIVE-BY-WIRE CONTROL OUTLINE [LF]
DRIVE-BY-WIRE CONTROL OPERATION [LF]
Service Highlights - Body and Accessories
2011 - MX-5

Outline

BODY AND ACCESSORIES ABBREVIATIONS

BODY AND ACCESSORIES NEW FEATURES

Instrumentation/Driver Info.

INSTRUMENTATION/DRIVER INFO. OUTLINE

INSTRUMENT CLUSTER SYSTEM WIRING DIAGRAM
INSTRUMENT CLUSTER STRUCTURAL VIEW
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2011 - MX-5 - Engine

ENGINE SPECIFICATIONS [LF (Except U.S.A., Canada and Mexico)]

Specification

2011MY 2010MY
Item

LF
LF (2.0L)
(2.0L)

MECHANICAL

DOHC-16 valves in-line, 4-

Type ←
cylinder

Combustion chamber Pentroof ←

1,999
Displacement (ml {cc, cu in}) ←
{1,999, 122.0}

87.5 × 83.1
Bore × stroke (mm {in}) ←
{3.44 ×3.27}

Compression ratio 10:8 ←

1,720
Compression pressure (kPa {kgf/cm 2, psi} [rpm]) ←
{17.54, 249.5} [300]

Open BTDC (°) 0—30 ←

IN
Close ABDC (°) 32—62 ←
Valve timing
Open BBDC (°) 42 ←
EX
Close ATDC (°) 5 ←
 0.22—0.28 {0.0087—0.011}
IN ←
[Engine cold]
Valve clearance (mm {in})
0.27—0.33 {0.0107—0.0129}
EX ←
[Engine cold]

LUBRICATION SYSTEM

Type Force-fed type ←

Oil pressure (reference value) (kPa {kgf/cm 2, 337—591 {3.44—6.03, 49.0

←
psi} [rpm]) —85.8} [3,000]
[oil temperature: 100°C {212°F}]

Oil pump Type Trochoid gear type ←

Type Full-flow, paper element ←

Oil filter
(kPa {kgf/cm 2, 78—118 {0.80—1.20, 12.0—
Bypass pressure ←
psi}) 17.1}

4.75
Total (dry (L {US qt, lmp
— {5.02,
engine) qt})
4.18}

4.05
Engine oil capacity (approx. (L {US qt, lmp
Oil replacement — {4.28,
quantity) [Without oil cooler] qt})
3.56}

4.45
Oil and oil filter (L {US qt, lmp
— {4.70,
replacement qt})
3.92}

Total (dry (L {US qt, lmp

4.85 {5.12, 4.27} ←
engine) qt})

Engine oil capacity (approx. (L {US qt, lmp

Oil replacement 4.05 {4.28, 3.56} ←
quantity) [With oil cooler] qt})

Oil and oil filter (L {US qt, lmp

4.55 {4.81, 4.00} ←
replacement qt})

COOLING SYSTEM

Type Water-cooled, Electromotive ←

(L {US qt, lmp

Coolant capacity (approx. quantity) 7.5 {7.9, 6.6} ←
 qt})

Centrifugal, V-ribbed belt-

Water pump Type ←
driven

Type Wax, bottom-bypass ←

Opening temperature (°C {°F}) 80—84 {176—183} ←

Thermostat
Full-open temperature (°C {°F}) 97 {207} ←

Full-open lift (mm {in}) 8.0 {0.31} or more ←

Radiator Type Corrugated fin ←

Cap valve (kPa {kgf/cm 2, 93.2—122.6 {0.95—1.25,

Cooling system cap ←
opening pressure psi}) 13.5—17.8}

Type Electric ←

Number of blades 5 ←

Cooling fan
Outer diameter (mm {in}) 360 {14.2} ←

Cooling fan motor

(W) 120 ←
output

FUEL SYSTEM

Type Hi-ohmic ←

Injector Type of fuel delivery Top-feed ←

Type of drive Voltage ←

(kPa {kgf/cm 2,
Pressure regulator control pressure Approx. 390 {3.98, 56.6} ←
psi})

Fuel pump type Electric ←

(L {US gal, lmp

Fuel tank capacity 48.0 {12.7, 10.6} ←
gal})

Premium unleaded fuel

Fuel type (Anti-knock index) ←
(95 or above)
EMISSION SYSTEM

EGR type Stepping motor ←

WU-TWC (monolith), TWC

Catalyst form ←
(monolith)

Evaporative emission (EVAP) control system Charcoal canister type ←

Positive crankcase ventilation (PCV) system Closed type ←

CHARGING SYSTEM

Voltage (V) 12 ←

Battery Type and capacity

(A·h) 46B24L (36) ←
(5-hour rate)

Output (V-A) 12-100 ←

Generator Regulated voltage

Controlled by PCM ←
Self diagnosis function

IGNITION SYSTEM

Type SEI ←

Spark advance Electronic ←

1—3—4—2 (all cylinders

←
independent firing)

Ignition system

Firing order

←
Spark plug Type L3G2 18 110, L3Y1 18 110 ←

STARTING SYSTEM

Type Coaxial reduction ←

Starter
Output (kW) 1.4 ←

Engine oil specification

Item Specifications

Engine oil grade API SG/SH/SJ/SL/SM or ILSAC GF–2/GF–3/GF–4

Engine oil 30, 40, 5W–30, 5W-40, 10W–30, 10W–40, 10W–50, 15W–40, 15W–50, 20W–40, 20W–
viscosity 50

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2011 - MX-5 - Engine

ENGINE ABBREVIATIONS [LF]

ABDC After Bottom Dead Center

AT Automatic Transmission

ATDC After Bottom Dead Center

BBDC Before Bottom Dead Center

BTDC Before Top Dead Center

CAN Controller Area Network

CCM Comprehensive Component Monitor

CM Control Module

DC Drive Cycle

DSC Dynamic Stability Control

EX Exhaust

HU Hydraulic Unit

IN Intake

KOEO Key On Engine Off

KOER Key On Engine Running

MT Manual Transmission

OCV Oil Control Valve

PCV Positive Crankcase Ventilation

RAM Random Access Memory

SEI Single Electronic Ignition

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2011 - MX-5 - Engine

ENGINE FEATURES [LF]

On-board Diagnostic

Improved serviceability DTC adopted

Control System

Improved driveability Drive-by-wire control changed

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2011 - MX-5 - Engine

ENGINE SPECIFICATIONS [LF]

Specification
Item
2011MY 2010MY

MECHANICAL

DOHC-16 valves in-line, 4-

Type ←
cylinder

Combustion chamber Pentroof ←

1,999
Displacement (ml {cc, cu in}) ←
{1,999, 122.0}

87.5 × 83.1
Bore × stroke (mm {in}) ←
{3.44 ×3.27}

Compression ratio 10:8 ←

1,720
Compression pressure (kPa {kgf/cm 2, psi} [rpm]) ←
{17.54, 249.5} [300]

Open BTDC (°) 0—30 ←

IN
Close ABDC (°) 32—62 ←
Valve timing
Open BBDC (°) 42 ←
EX
Close ATDC (°) 5 ←

0.22—0.28 {0.0087—0.011}
IN ←
[Engine cold]
Valve clearance (mm {in})
 0.27—0.33 {0.0107—0.0129}
EX ←
[Engine cold]

LUBRICATION SYSTEM

Type Force-fed type ←

Oil pressure (reference value) (kPa {kgf/cm 2, 337—591 {3.44—6.03, 49.0—

←
psi} [rpm]) 85.8} [3,000]
[oil temperature: 100°C {212°F}]

Oil pump Type Trochoid gear type ←

Type Full-flow, paper element ←

Oil filter
(kPa {kgf/cm 2, 78—118 {0.80—1.20, 12.0—
Bypass pressure ←
psi}) 17.1}

Total (dry (L {US qt, lmp

4.75 {5.02, 4.18} ←
engine) qt})

Engine oil capacity (approx. (L {US qt, lmp

Oil replacement 4.05 {4.28, 3.56} ←
quantity) [Without oil cooler] qt})

Oil and oil filter (L {US qt, lmp

4.45 {4.70, 3.92} ←
replacement qt})

Total (dry (L {US qt, lmp

4.85 {5.12, 4.27} ←
engine) qt})

Engine oil capacity (approx. (L {US qt, lmp

Oil replacement 4.05 {4.28, 3.56} ←
quantity) [With oil cooler] qt})

Oil and oil filter (L {US qt, lmp

4.55 {4.81, 4.00} ←
replacement qt})

COOLING SYSTEM

Type Water-cooled, Electromotive ←

Manual transmission [M15M-

D]: 7.3 {7.7, 6.4}

Engine coolant capacity [U.S.A. and Canada] (L {US qt, lmp Manual transmission [P66M-D]:
←
(approx. quantity) qt}) 7.6 {8.0, 6.7}

Automatic transmission [SJ6A-

EL]: 7.2 {7.6, 6.3}
 Manual transmission [P66M-D]:
Engine coolant capacity [Except U.S.A. and (L {US qt, lmp 7.6 {8.0, 6.7}
←
Canada] (approx. quantity) qt}) Automatic transmission [SJ6A-
EL]: 7.5 {7.9, 6.6}

Centrifugal, V-ribbed belt-

Water pump Type ←
driven

Type Wax, bottom-bypass ←

Opening temperature (°C {°F}) 80—84 {176—183} ←

Thermostat
Full-open temperature (°C {°F}) 97 {207} ←

Full-open lift (mm {in}) 8.0 {0.31} or more ←

Radiator Type Corrugated fin ←

Cap valve (kPa {kgf/cm 2, 93.2—122.6 {0.95—1.25, 13.5

Cooling system cap ←
opening pressure psi}) —17.8}

Type Electric ←

Number of blades 5 ←

Cooling fan
Outer diameter (mm {in}) 360 {14.2} ←

Cooling fan motor

(W) 120 ←
output

FUEL SYSTEM

Type Hi-ohmic ←

Injector Type of fuel delivery Top-feed ←

Type of drive Voltage ←

(kPa {kgf/cm 2,
Pressure regulator control pressure Approx. 390 {3.98, 56.6} ←
psi})

Fuel pump type Electric ←

(L {US gal, lmp

Fuel tank capacity 48.0 {12.7, 10.6} ←
gal})
 Premium unleaded fuel
Fuel type (Anti-knock index) ←
91 [(R+M)/2 method] or adove
(96 RON or above)

EMISSION SYSTEM

EGR type Stepping motor ←

WU-TWC (monolith), TWC

Catalyst form ←
(monolith)

Evaporative emission (EVAP) control system Charcoal canister type ←

Positive crankcase ventilation (PCV) system Closed type ←

CHARGING SYSTEM

Voltage (V) 12 ←

Battery Type and capacity

(A·h) 46B24L (36) ←
(5-hour rate)

Output (V-A) 12-100 ←

Generator Regulated voltage

Controlled by PCM ←
Self diagnosis function

IGNITION SYSTEM

Type SEI ←

Spark advance Electronic ←

1—3—4—2 (all cylinders

←
independent firing)

Ignition system

Firing order

←
Spark plug Type L3G2 18 110, L3Y1 18 110 ←

STARTING SYSTEM

Type Coaxial reduction ←

Starter
Output (kW) 1.4 ←

Engine oil specification

U.S.A. and
Item Except U.S.A. and CANADA
CANADA

Engine oil
grade

API SM or ILSAC

Engine oil 5W–20 (If SAE 5W-20 engine oil is not available in your market, use SAE
0W–20
viscosity 5W-30 engine oil.)
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2011 - MX-5 - General Information

VEHICLE IDENTIFICATION NUMBER (VIN) CODE

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2011 - MX-5 - General Information

VEHICLE IDENTIFICATION NUMBER (VIN)

JM1 NC1*F*B# 200001—

JM1 NC2*F*B# 200001—

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2011 - MX-5 - Engine

ON-BOARD DIAGNOSTIC OUTLINE [LF]

Features

Improved serviceability DTC adopted

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2011 - MX-5 - Engine

ON-BOARD DIAGNOSTIC SYSTEM TEST MODE [LF]

Sending Emission-related Malfunction Code

The DTCs are shown below.

×: Applicable—: Not applicable

DTC No. Generator Self

Memory
Condition MIL warning DC Monitor item test
function
2011MY 2010MY light type*1

B1342 ← PCM malfunction OFF OFF — — C, O —

P0011 ← CMP timing over-advanced ON OFF 1 CCM C, R ×

P0012 ← CMP timing over-retarded ON OFF 2 CCM C, R ×

P0016 ← CKP-CMP correlation ON OFF 2 CCM C ×

A/F sensor heater control circuit A/F sensor heater, C, O,

P0030 ← ON OFF 2 ×
problem HO2S heater R

A/F sensor heater, C, O,

P0031 ← A/F sensor heater circuit low input ON OFF 2 ×
HO2S heater R

A/F sensor heater circuit high A/F sensor heater, C, O,

P0032 ← ON OFF 2 ×
input HO2S heater R

A/F sensor heater, C, O,

P0037 ← HO2S heater circuit low input ON OFF 2 ×
HO2S heater R

A/F sensor heater, C, O,

P0038 ← HO2S heater circuit high input ON OFF 2 ×
HO2S heater R

A/F sensor heater,

P0053 ← A/F sensor heater resistance ON OFF 2 C, R ×
HO2S heater

A/F sensor heater,

P0054 ← HO2S heater resistance ON OFF 2 C, R ×
 HO2S heater

Manifold absolute
P0069 ← pressure/atmospheric pressure ON OFF 2 CCM C ×
correlation

MAF sensor circuit

P0101 ← ON OFF 2 CCM C ×
range/performance problem

C, O,
P0102 ← MAF sensor circuit low input ON OFF 1 CCM ×
R

C, O,
P0103 ← MAF sensor circuit high input ON OFF 1 CCM ×
R

C, O,
P0107 ← MAP sensor circuit low input ON OFF 1 CCM ×
R

C, O,
P0108 ← MAP sensor circuit high input ON OFF 1 CCM ×
R

IAT sensor circuit

P0111 ← ON OFF 2 CCM C ×
range/performance problem

C, O,
P0112 ← IAT sensor circuit low input ON ON 1 CCM ×
R

C, O,
P0113 ← IAT sensor circuit high input ON ON 1 CCM ×
R

Engine coolant temperature circuit Engine cooling

P0116 ← ON OFF 1 C ×
range/performance problem system

Engine cooling C, O,
P0117 ← ECT sensor circuit low input ON OFF 1 ×
system R

Engine cooling C, O,
P0118 ← ECT sensor circuit high input ON OFF 1 ×
system R

C, O,
P0122 ← TP sensor No.1 circuit low input ON OFF 1 CCM ×
R

C, O,
P0123 ← TP sensor No.1 circuit high input ON OFF 1 CCM ×
R

Excessive time to enter closed Engine cooling

P0125 ← ON OFF 2 C ×
loop fuel control system
 Engine cooling
P0126 ← ON OFF 2 C ×
system
Coolant thermostat stuck open
Engine cooling
P0128 ← ON OFF 2 C ×
system

C, O,
P0130 ← A/F sensor circuit problem ON OFF 2 A/F sensor, HO2S ×
R

C, O,
P0131 ← A/F sensor circuit low input ON OFF 2 A/F sensor, HO2S ×
R

C, O,
P0132 ← A/F sensor circuit high input ON OFF 2 A/F sensor, HO2S ×
R

P0133 ← A/F sensor circuit problem ON OFF 2 A/F sensor, HO2S C ×

P0134 ← A/F sensor no activity detected ON OFF 2 A/F sensor, HO2S C, R ×

C, O,
P0137 ← HO2S circuit low input ON OFF 2 A/F sensor, HO2S ×
R

C, O,
P0138 ← HO2S circuit high input ON OFF 2 A/F sensor, HO2S ×
R

P0139 ← HO2S circuit slow response ON OFF 2 A/F sensor, HO2S C ×

P0140 ← HO2S no activity detected ON OFF 2 A/F sensor, HO2S C, R ×

P0171 ← Fuel trim system too lean ON OFF 2 Fuel system C, R ×

P0172 ← Fuel trim system too rich ON OFF 2 Fuel system C, R ×

C, O,
P0222 ← TP sensor No.2 circuit low input ON OFF 1 CCM ×
R

C, O,
P0223 ← TP sensor No.2 circuit high input ON OFF 1 CCM ×
R

P0300 ← Random misfire detected Flash/ON OFF 2 Misfire C, R ×

P0301 ← Cylinder No.1 misfire detected Flash/ON OFF 2 Misfire C, R ×

P0302 ← Cylinder No.2 misfire detected Flash/ON OFF 2 Misfire C, R ×

P0303 ← Cylinder No.3 misfire detected Flash/ON OFF 2 Misfire C, R ×

P0304 ← Cylinder No.4 misfire detected Flash/ON OFF 2 Misfire C, R ×

C, O,
P0327 ← KS circuit low input ON OFF 1 CCM ×
R

C, O,
P0328 ← KS circuit high input ON OFF 1 CCM ×
R

P0335 ← CKP sensor circuit problem ON OFF 1 CCM C ×

P0340 ← CMP sensor circuit problem ON OFF 1 CCM C ×

P0401 ← EGR flow insufficient detected ON OFF 2 EGR system C, R ×

EGR valve (stepping motor) C, O,

P0403 ← ON OFF 2 CCM ×
circuit problem R

Warm up catalyst system

P0421 ← ON OFF 2 Catalyst C ×
efficiency below threshold

P0441 ← EVAP system incorrect purge flow ON OFF 2 EVAP system C, R ×

EVAP system leak detected (small

P0442 ← ON OFF 2 EVAP system C, R ×
leak)

Purge solenoid valve circuit C, O,

P0443 ← ON OFF 2 CCM ×
problem R

Change over valve (COV) (EVAP

P0446 ← system leak detection pump) ON OFF 2 CCM C, R ×
stuck close

EVAP system leak detected (gross

P0455 ← ON OFF 2 EVAP system C, R ×
leak/no flow)

EVAP system leak detected (very

P0456 ← ON OFF 2 EVAP system C, R ×
small leak)

Fuel gauge sender unit

P0461 ← ON OFF 2 CCM C ×
range/performance problem

Fuel gauge sender unit circuit low C, O,

P0462 ← ON OFF 2 CCM ×
input R

Fuel gauge sender unit circuit C, O,

P0463 ← ON OFF 2 CCM ×
high input R
 Cooling fan relay No.1 control C, O,
P0480 ← OFF OFF 1 Other ×
circuit malfunction R

Cooling fan relay No.2 control C, O,

P0481 ← OFF OFF 1 Other ×
circuit malfunction R

Cooling fan relay No.3 control C, O,

P0482 ← OFF OFF 1 Other ×
circuit malfunction R

P0500 ← VSS circuit problem ON OFF 2 CCM C ×

Idle speed control system

P0505 ← OFF OFF — — R —
problem

Idle speed control system RPM

P0506 ← ON OFF 2 CCM C ×
lower than expected

Idle speed control system RPM

P0507 ← ON OFF 2 CCM C ×
higher than expected

Cold start emission

Cold start idle air control system
P050A ← ON OFF 2 reduction strategy C, R ×
performance problem
monitoring

Cold start emission

Cold start ignition timing
P050B ← ON OFF 2 reduction strategy C, R ×
performance problem
monitoring

P0550 ← PSP switch circuit malfunction ON OFF 2 CCM C ×

Cruise control switch circuit

P0564 *2 ← OFF OFF 1 Other C ×
malfunction

P0571 ← Brake switch circuit problem OFF OFF 1 Other C ×

C, O,
P0601 ← PCM memory check sum error ON OFF 1 CCM ×
R

C, O,
P0602 ← PCM programming error ON OFF 1 CCM ×
R

PCM random access memory C, O,

P0604 ← ON OFF 1 CCM ×
(RAM) error R

C, O,
P0606 ← PCM processor error ON OFF 1 CCM ×
R
 C, O,
P0610 ← PCM vehicle options error ON OFF 1 CCM ×
R

Throttle valve actuator control

P0638 ← circuit range/performance ON OFF 1 CCM C ×
problem

Variable intake air solenoid valve C, O,

P0661 ← OFF OFF 1 Other ×
circuit low input R

Variable intake air solenoid valve C, O,

P0662 ← OFF OFF 1 Other ×
circuit high input R

P0685 ← Main relay control circuit open ON OFF 2 CCM C ×

Internal control module non-

C, O,
P06B8 ← volatile random access memory ON OFF 1 CCM ×
R
error

P0703 ← Brake switch input circuit problem ON OFF 2 CCM C ×

P0704 *3 ← CPP switch input circuit problem ON OFF 2 CCM C ×

Neutral switch input circuit

P0850 *3 ← ON OFF 2 CCM C ×
problem

P1260 ← Immobilizer system problem OFF OFF — — C, O —

Variable tumble shutter valve

P2004 ← ON OFF 2 CCM C, R ×
stuck open

Variable tumble shutter valve

P2006 ← ON OFF 2 CCM C, R ×
stuck closed

Variable tumble solenoid valve C, O,

P2009 ← ON OFF 2 CCM ×
circuit low input R

Variable tumble solenoid valve C, O,

P2010 ← ON OFF 2 CCM ×
circuit high input R

C, O,
P2088 ← OCV circuit low input ON OFF 1 CCM ×
R

C, O,
P2089 ← OCV circuit high input ON OFF 1 CCM ×
R

Target A/F feedback system too

P2096 ← ON OFF 2 Fuel system C ×
 lean

Target A/F feedback system too

P2097 ← ON OFF 2 Fuel system C ×
rich

Throttle valve actuator circuit

P2101 ← ON OFF 1 CCM C, R ×
range/performance problem

Throttle valve actuator control

P2107 ← ON OFF 1 CCM C, R ×
module processor error

Throttle valve actuator control

P2108 ← ON OFF 1 CCM C, R ×
module performance error

TP sensor minimum stop

P2109 ← ON OFF 1 CCM C, R ×
range/performance problem

Throttle valve actuator control

P2112 ← system range/performance ON OFF 1 CCM C, R ×
problem

Throttle valve actuator control

P2119 ← throttle body range/performance ON OFF 2 CCM C, R ×
problem

C, O,
P2122 ← APP sensor No.1 circuit low input ON OFF 1 CCM ×
R

C, O,
P2123 ← APP sensor No.1 circuit high input ON OFF 1 CCM ×
R

C, O,
P2127 ← APP sensor No.2 circuit low input ON OFF 1 CCM ×
R

C, O,
P2128 ← APP sensor No.2 circuit high input ON OFF 1 CCM ×
R

TP sensor No.1/No.2 voltage C, O,

P2135 ← ON OFF 1 CCM ×
correlation problem R

APP sensor No.1/No.2 voltage C, O,

P2138 ← ON OFF 1 CCM ×
correlation problem R

N/A P2195 A/F sensor signal stuck lean ON OFF 2 A/F sensor, HO2S C ×

N/A P2196 A/F sensor signal stuck rich ON OFF 2 A/F sensor, HO2S C ×
 C, O,
P2228 ← BARO sensor circuit low input ON OFF 1 CCM ×
R

C, O,
P2229 ← BARO sensor circuit high input ON OFF 1 CCM ×
R

Accelerator pedal: spring back

P2299 N/A OFF OFF 1 Other C, R ×
malfunction

EVAP system leak detection pump

P2401 ← ON OFF 2 CCM C, R ×
motor circuit low input

EVAP system leak detection pump

P2402 ← ON OFF 2 CCM C, R ×
motor circuit high input

EVAP system leak detection pump

P2404 ← ON OFF 2 CCM C, R ×
sense circuit problem

EVAP system leak detection pump

P2405 ← ON OFF 2 CCM C, R ×
sense circuit low input

P2502 ← Charging system voltage problem OFF ON 1 Other C, R ×

Charging system voltage low

P2503 ← OFF ON 1 Other C, R ×
input

Charging system voltage high

P2504 ← OFF ON 1 Other C, R ×
input

C, O,
P2507 ← PCM battery voltage low input ON OFF 1 CCM ×
R

PCM internal engine off timer

P2610 ← ON OFF 2 CCM C ×
performance problem

*1

C: CMDTC self test, O: KOEO self test, R: KOER self test

*2

With cruise control system

*3

MT

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2011 - MX-5 - Engine

DTC DETECTION LOGIC AND CONDITIONS [LF]

The detection condition of the following DTC has been adopted from 2010MY.

P2299 Accelerator pedal: spring back malfunction

Brake override system operates.

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2011 - MX-5 - Engine

ENGINE CONTROL SYSTEM OUTLINE [LF]

Features

Improved driveability Drive-by-wire control changed

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2011 - MX-5 - Engine

DRIVE-BY-WIRE CONTROL OUTLINE [LF]

Control List

Control Control Outline

name

Brake If the brake pedal is depressed with the accelerator pedal depressed, the vehicle
override can be stopped safely by closing the throttle valve. As a result, the brake
system operation takes priority over the accelerator pedal operation.

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2011 - MX-5 - Engine

DRIVE-BY-WIRE CONTROL OPERATION [LF]

Brake Override System

Operation of brake override system

In the event of any malfunction in the accelerator system, the vehicle is equipped with a
sub-system that prioritizes the brake operation over the accelerator pedal operation.
Specifically, the sub-system functions to close throttle valve when the brake pedal is
depressed while the accelerator pedal is depressed to safely decelerate the vehicle to a full
stop.

Brake If any of the following conditions are met with the accelerator pedal and the
override brake pedal depressed together for 1 s or more, the PCM adjusts the throttle
operation valve opening angle so that the engine speed is approx. 1,100 rpm.
conditions
While driving vehicle

Accelerator pedal opening angle: 5% or more from fully-

closed

Vehicle speed: 10 km/h {6.2 mph} or more

In gear

Engine speed: 1,150 rpm or more

While vehicle stopped

Accelerator pedal opening angle: 5% or more from fully-

closed

Shift lever position: neutral (MT)

Selector lever position: N position (AT)

Engine speed: 1,150 rpm or more

End brake To return the throttle to normal operation, the following conditions must be
override met.
operation
Accelerator pedal is not depressed

Brake pedal is not depressed

 NOTE:

Cycling the key off and back on will also end brake override operation.

Disabling of brake override system

If the servicing procedure requiring the brake pedal and the accelerator pedal to be
depressed together, operation of the brake override system can be prevented, if
necessary.

Disable brake If the following conditions are met for 10 s within 30 s after switching
override the ignition ON (engine off), the brake override system is disabled until
operation the activate brake override operation conditions are met.
conditions
Vehicle speed: 0 km/h {0 mph}

Accelerator pedal fully depressed

Brake pedal depressed

Activate brake Cycling the key off and back on will activate the brake override
override operation conditions.
operation
conditions

Brake warning light illumination request (vehicles without malfunction warning light)

If the following condition is met, the PCM sends the brake warning light illumination
request signal to the instrument cluster. The brake warning light illuminates to alert the
driver that there is a malfunction in the brake system.

Brake switch No. 1 or 2 malfunction is detected

Malfunction warning light illumination request (vehicles with malfunction warning light)

If the following condition is met, the PCM sends the malfunction warning light illumination
request signal to the instrument cluster. The malfunction warning light illuminates to alert
the driver that there is a malfunction in the brake system.

Brake switch No. 1 or 2 malfunction is detected

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2011 - MX-5 - Body and Accessories

BODY AND ACCESSORIES ABBREVIATIONS

ABS Antilock Brake System

CM Control Module

DSC Dynamic Stability Control

HU Hydraulic Unit

PCM Powertrain Control Module

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2011 - MX-5 - Body and Accessories

BODY AND ACCESSORIES NEW FEATURES

Improved safety Brake override system has been adopted.

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2011 - MX-5 - Body and Accessories

INSTRUMENT CLUSTER SYSTEM WIRING DIAGRAM

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2011 - MX-5 - Body and Accessories

INSTRUMENTATION/DRIVER INFO. OUTLINE

Brake override system has been adopted.

Improved safety
Malfunction warning light adopted. (with malfunction warning light)

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2011 - MX-5 - Body and Accessories

INSTRUMENT CLUSTER STRUCTURAL VIEW

Meter And Gauge

Warning And Indicator Light

×: Applicable—: Not applicable

Warning and CAN

No. Input signal source Description Note
indicator light system

Brake system warning light illumination

request.
PCM × —
(See DRIVE-BY-WIRE CONTROL OPERATION
[LF] .)

DSC
HU/CM If the ABS/DSC system is malfunctioning,
× the brake system warning light remains —
Brake system ABS illuminated.
1
warning light HU/CM

Parking When the parking brake is

brake operating, the brake
switch system warning light
— illuminates. —
Brake
fluid When the brake fluid level
level is low, the brake system
sensor warning light illuminates.

Malfunction warning light illumination

request. With
Malfunction
2 PCM × malfunction
warning light (See DRIVE-BY-WIRE CONTROL OPERATION warning light
[LF] .)
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