PARKING BRAKE

GENERAL INFORMATION 27-3 Parking Brake Control Mechanism 

Description 27-4 Assembly 27-11
Specifications 27-4 Removal 27-11
Tools 27-5 Installation 27-12
Circuit Diagram 27-6 Parking Brake Rear Cable Assembly 27-13
Removal 27-13
DIAGNOSIS & TESTING 27-7 Installation 27-14
Problem Symptoms Table 27-7 Rear Brake Assembly 27-15
ON-VEHICLE SERVICE 27-8 Removal 27-16
Adjustment 27-8 Disassembly 27-17
Parking Brake Switch Assembly 27-9 Inspection 27-20
On-vehicle Inspection 27-9 Assembly 27-21
Removal 27-9 Installation 27-21
Inspection 27-10
Installation 27-10

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GENERAL INFORMATION
PARKING BRAKE

Parking Brake Assembly

2
4 5

RT21270010

1 - Parking Brake Control Mechanism Assembly 2 - Rear Right Parking Brake Cable Assembly
3 - Rear Right Brake Assembly 4 - Parking Brake Cable Fixing Clamp
5 - Rear Left Parking Brake Cable Assembly 6 - Rear Left Brake Assembly
7 - Parking Brake Switch Assembly

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Description
All vehicles are equipped with a manual-operated parking brake control mechanism assembly, which is
mounted on the center position of front seats. The tension balance block is built into parking brake control
mechanism assembly. Each rear wheel has an individual parking brake rear cable assembly, which is
respectively connected with the parking brake control mechanism assembly and rear brake shoe assembly.
The parking brake cable is made of flexible wire.

Specifications
Torque Specifications

Description Tightening Torque (N·m)

Wheel Mounting Bolt 110 ± 10
Coupling Bolt Between Parking Brake Control
23 ± 2
Mechanism Assembly and Body
Coupling Bolt Between Parking Brake Rear Cable
23 ± 2
Assembly Fixing Bracket and Body
Coupling Bolt Between Parking Brake Rear Cable
Assembly Fixing Bracket and Rear Trailing Arm 23 ± 2
Assembly
Coupling Bolt Between Parking Brake Rear Cable
Assembly Fixing Bracket and Rear Brake Bottom 23 ± 2
Board Assembly
Coupling Bolt Between Rear Brake Line Fixing
23 ± 2
Bracket and Rear Brake Bottom Board Assembly

Rear DIH (Drum-in-hat)

Description Standard Thickness (mm) Minimum Thickness (mm)

Rear Brake Shoe Lining 3 1

Description Standard Inner Diameter (mm) Maximum Inner Diameter (mm)

Rear Brake Disc 186 188

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Tools
General Tools

Digital Multimeter

RCH0000002

Vernier Caliper

RCH0000019

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Circuit Diagram
Parking Brake System

BATTERY IGNITION SWITCH

ON OR START

INSTRUMENT
RF23 RF06 PANEL
FUSE AND
10A 10A RELAY BOX
I-007
23 6
R

P
11 13

INSTRUMENT
CLUSTER
I-015

18 3 5
BG

Br
B

14 I-006
B-003
BG

I-003

PARKING
APPLIED BRAKE
SWITCH
RELEASED B-019

17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 1 2 3 4 5 6 7 8 9 10 11 12
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
13 14 15 16 17 18 19 20 21 22 23 24
I-015
L 27 25 26
87
85 86 86 86
87 30 87 30
30 85 85
10 9 8 7 6 5 4 3 2 1
1
22 21 20 19 18 17 16 15 14 13 12 11 I-007
B-019 B
I-006 B
W

27
ET21270010

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DIAGNOSIS & TESTING

Problem Symptoms Table
HINT:
Use the table below to help determine the cause of the problem symptoms. Check each suspected area in
sequence. Repair or replace the faulty components, or adjust as necessary.

Symptom Suspected Area See page

Parking brake control mechanism stroke
27-8
(incorrect)
Parking brake stuck Parking brake shoe clearance (incorrect) 27-8
Parking brake shoe return tension spring
27-15
(damaged)
Parking brake shoe (worn) 27-15
Rear brake disc (excessively worn) 26-40
Parking brake rear cable assembly
27-13
(improperly fixed)
Abnormal parking brake operation
Parking brake control mechanism
27-11
assembly (improperly fixed)
Parking brake control mechanism
27-11
assembly (stuck)
Brake warning light does not come on
Warning light circuit (faulty) 27-9
when parking brake is applied

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ON-VEHICLE SERVICE
Adjustment
Abnormal parking brake operation may be caused by the worn brake shoe lining, incorrect brake shoe
clearance adjustment, incorrect parking brake control mechanism stroke or incorrect parking brake
component installation. Perform the following procedures to adjust the parking brake control mechanism
stroke:
1. Support and raise the vehicle to a proper height.
2. Remove the rear wheel (See page 24-9).
3. Remove the rear brake disc (See page 26-41).
4. Remove the auxiliary fascia console assembly (See page 45-9).
5. Adjust the parking brake shoe clearance:
a. Fully release the parking brake control mechanism.
b. Using a flat tip screwdriver, pry off the brake shoe
adjusting hole plug, rotate the brake shoe clearance
adjustment mechanism assembly to adjust parking Shrink
brake shoe clearance, and attempt to rotate the rear
brake disc by hand to confirm that brake disc rotates
freely.
c. Check that there is no brake stuck for the brake shoe. Expansion

RT21270020

6. Adjust the parking brake control mechanism stroke:

a. Fully release the parking brake control mechanism.
b. Rotate the parking brake control mechanism
adjustment nut, until the parking brake control
mechanism stroke is correct.

RT21270030

c. Correct judging method: after adjustment, fully release parking brake control mechanism and rotate
rear wheel by hand.
OK: Rear wheel can be rotated freely without dragging.
Pull up parking brake control mechanism until 1 clicking sound is heard. There is resistance when
rotating rear wheel by hand. Pull up parking brake control mechanism until 5 to 6 clicking sounds are
heard and the rear wheel cannot rotate.
d. When operating the parking brake control mechanism, check that brake warning light illuminates at the
first click.
OK: Parking brake warning light always illuminates at the first click.
e. If result is not as specified, repeat above procedures until the parking brake control mechanism stroke
is proper.
7. Install the auxiliary fascia console assembly (See page 45-9).
8. Install the rear brake disc (See page 26-41).
27 9. Install the rear wheel (See page 24-9).
(Tightening torque: 110 ± 10 N·m)

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Parking Brake Switch Assembly

On-vehicle Inspection
1. Disconnect parking brake switch assembly connector,
and check the continuity of parking brake switch
+ -
assembly with ohm band of digital multimeter as shown
in the table below.
Standard Condition
1
Multimeter Specified
Condition
Connection Condition
Parking brake
applied (switch Continuity RT21270040

Terminal 1 - Body pin released)

ground Parking brake
released (switch No continuity
pin pushed)

If result is not as specified, replace parking brake switch

assembly.

Removal

CAUTION

 Be sure to wear necessary safety equipment to prevent accidents when repairing.

 Try to prevent body paint surface from being scratched during removal and installation.

1. Fix the tire and wheel assembly.

2. Remove the auxiliary fascia console assembly (See page 45-9).
3. Remove the parking brake switch assembly.
a. Disconnect the parking brake switch assembly wire
harness connector (arrow) as shown in the illustration.

RT21270050

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b. Using a cross screwdriver, loosen the fixing screw

(arrow) of parking brake switch assembly.

RT21270060

c. Remove the parking brake switch assembly.

Inspection
1. Check parking brake switch assembly.
a. Check parking brake switch assembly for wear or break. Replace parking brake switch assembly as
necessary.
b. Check if parking brake switch assembly compressed spring is damaged or weak elasticity. Replace
parking brake switch assembly as necessary.

Installation
Installation is in the reverse order of removal.

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Parking Brake Control Mechanism Assembly

Removal

CAUTION

 Be sure to wear necessary safety equipment to prevent accidents when repairing.

 Try to prevent body paint surface from being scratched during removal and installation.

1. Fix the tire and wheel assembly.

2. Remove the auxiliary fascia console assembly (See page 45-9).
3. Remove the parking brake switch assembly (See page 27-9).
4. Remove the parking brake control mechanism assembly.
a. Fully release the parking brake control mechanism.
b. Loosen the locking nut (arrow) of parking brake
control mechanism assembly to release the tension of
parking brake cable assembly as shown in the
illustration.

RT21270030

c. Remove 4 coupling bolts (arrow) between parking

brake control mechanism assembly and body.
(Tightening torque: 23 ± 2 N·m)

RT21270070

d. Disengage the parking brake rear cable assembly

from two grooves (arrow) on the rear of parking brake
control mechanism assembly.

RT21270080

e. Remove the parking brake control mechanism assembly.

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Installation
Installation is in the reverse order of removal.

CAUTION

 Always tighten coupling bolts and nuts to the specified torque.

HINT:
Be sure to check parking brake control mechanism stroke after installing parking brake control mechanism
assembly. Adjust parking brake control mechanism stroke to the proper position by adjusting parking brake
control mechanism locking nut if necessary.

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Parking Brake Rear Cable Assembly

Removal

CAUTION

 Be sure to wear necessary safety equipment to prevent accidents when repairing.

 Try to prevent body paint surface from being scratched during removal and installation.

HINT:
 Use the same procedures for the right side and left side.
 Procedures listed below are for the left side.
1. Remove the rear wheel (See page 24-9).
2. Remove the auxiliary fascia console assembly (See page 45-9).
3. Remove the parking brake rear cable assembly.
a. Fully release the parking brake control mechanism.
b. Loosen the locking nut (arrow) of parking brake
control mechanism assembly to release the tension of
parking brake cable assembly as shown in the
illustration.

RT21270030

c. Disengage the parking brake rear cable assembly

from two grooves (arrow) on the rear of parking brake
front cable assembly.

RT21270080

d. Loosen the coupling bolts (arrow) between parking

brake rear cable assembly fixing bracket and body,
and disengage the cable fixing bracket.
(Tightening torque: 23 ± 2 N·m)

RT21270090

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e. Loosen the coupling bolt (arrow) between parking

brake rear cable assembly fixing bracket and rear
trailing arm assembly, and disengage the cable fixing
bracket.
(Tightening torque: 23 ± 2 N·m)

RT21230450

f. Remove the fixing clamp (arrow) and disengage the

parking brake rear cable assembly from the fixing
bracket.

RT21270100

g. Disengage the parking brake rear cable assembly end

(arrow) from the parking brake pulling arm.

RT21270110

h. Remove the parking brake rear cable assembly.

Installation
Installation is in the reverse order of removal.

CAUTION

 Always tighten coupling bolts and nuts to the specified torque.

 During installation, make sure to align the positioning part of parking brake rear cable assembly fixing
bracket and the positioning hole on body.

HINT:
Parking brake should be adjusted after replacing brake shoe or parking brake cable assembly. Check if
parking brake functions properly after adjustment is completed.
 Fully pull up parking brake control mechanism.
 Release parking brake control mechanism and check if rear wheels rotate freely.
 If wheels are difficult to rotate freely, repeat adjustment procedures.
27  After driving for a period of time, parking brake control mechanism stroke should be readjusted because of
wear of rear brake shoe linings.

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Rear Brake Assembly

5
14
6

13

7
12

8 11
9
10

RT21270111

1 - Rear Brake Disc 2 - Rear Brake Assembly

3 - Brake Shoe Return Tension Spring (Upper) 4 - Parking Pulling Arm Dust Boot
5 - Parking Pulling Arm 6 - Parking Push Rod
7 - Left Parking Brake Shoe Lining 8 - Compressed Spring Tie Rod
9 - Brake Shoe Compressed Spring 10 - Compressed Spring Seat
11 - Brake Shoe Return Tension Spring (Lower) 12 - Brake Shoe Clearance Adjustment Mechanism
Assembly
13 - Right Parking Brake Shoe Lining 14 - Rear Brake Disc Positioning Screw

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Removal

CAUTION

 Be sure to wear necessary safety equipment to prevent accidents when repairing.

 Try to prevent body paint surface from being scratched during removal and installation.

HINT:
 Use the same procedures for the right side and left side.
 Procedures listed below are for the left side.
1. Remove the rear left wheel (See page 24-9).
2. Remove the rear left brake caliper assembly (See page 26-41).
3. Remove the rear left brake disc (See page 26-41).
4. Remove the rear left hub bearing unit (See page 22-19).
5. Remove the rear left brake assembly.
a. Fully release the parking brake control mechanism.
b. Remove the fixing clamp (arrow) and disengage the
parking brake rear cable assembly from the fixing
bracket.

RT21270100

c. Disengage the parking brake rear cable assembly end

(arrow) from the parking brake pulling arm.

RT21270110

d. Remove the coupling bolt (arrow) between parking

brake rear cable assembly fixing bracket and rear
brake bottom board assembly.
(Tightening torque: 23 ± 2 N·m)

RT21270120

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e. Remove the coupling bolt (arrow) between rear brake

line fixing bracket and rear brake bottom board
assembly.
(Tightening torque: 23 ± 2 N·m)

RT21270130

f. Remove the rear left brake assembly.

CAUTION

 DO NOT touch interior ornament when removing steering column with intermediate shaft assembly to
avoid scratching the interior ornament.

Disassembly
1. Remove the brake shoe stopper spring set.
a. Using needle-nose pliers, press brake shoe
compressed spring and rotate compressed spring tie
rod to remove the stopper spring sets (arrow) on both
sides as shown in the illustration.

RT21270140

2. Remove the brake shoe return tension spring (upper).

a. Using needle-nose pliers, remove the brake shoe
return tension spring (upper) carefully as shown in the
illustration.

RT21270150

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3. Remove the brake shoe return tension spring (lower).

a. Using needle-nose pliers, remove the brake shoe
return tension spring (lower) carefully as shown in the
illustration.

RT21270160

4. Remove the brake shoe clearance adjustment mechanism assembly.

a. Disengage the brake shoe linings on both sides and
remove the clearance adjustment mechanism
assembly as shown in the illustration.

RT21270170

5. Remove the right brake shoe lining.

a. Disengage the right brake shoe lining from the parking
push rod as shown in the illustration.

RT21270180

6. Remove the left brake shoe lining.

a. Disengage the left brake shoe lining from the parking
push rod as shown in the illustration.

RT21270190

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7. Remove the parking push rod.

a. Disengage the parking push rod from the parking
pulling arm as shown in the illustration.

RT21270200

8. Remove the parking pulling arm.

a. Remove the parking pulling arm from the parking
pulling arm dust boot as shown in the illustration.

RT21270210

9. Remove the parking pulling arm dust boot.

a. Disengage the parking pulling arm dust boot from the
rear brake bottom board assembly as shown in the
illustration.

RT21270220

10.Remove the rear brake bottom board assembly.

RT21270230

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Inspection
1. Check the thickness of brake shoe lining.
a. Using a ruler, measure the thickness of brake shoe
lining as shown in the illustration.
Standard thickness: 3 mm
Minimum thickness: 1 mm

RT21270240

b. If thickness of brake shoe lining is equal to or less than the minimum value, replace brake shoe lining.

CAUTION

 Replace brake shoe linings in pairs. DO NOT replace it alone.

2. Check the rear brake disc inner diameter.

a. Using a vernier caliper or equivalent, measure rear
brake disc inner diameter.
Standard inner diameter: 186 mm
Maximum inner diameter: 188 mm

RT21270250

b. If rear brake disc inner diameter is more than the maximum value, replace rear brake disc.
3. Check other components.
a. Check if brake shoe return tension spring (upper) is broken, bent, damaged or elasticity is weak.
Replace as necessary.
b. Check if brake shoe return tension spring (lower) is broken, bent, damaged or elasticity is weak.
Replace as necessary.
c. Check if parking push rod and pulling arm is broken, bent or damaged. Replace as necessary.
d. Check if parking pulling arm dust boot is worn, cracked or dirty. Replace as necessary.
e. Check if brake shoe stopper spring set is broken, bent, damaged or elasticity is weak. Replace as
necessary.
f. Check if brake shoe clearance adjustment mechanism assembly is struck, damaged or slides off.
Replace as necessary.

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Assembly
Assembly is in the reverse order of disassembly.

CAUTION

 Adjust brake shoe clearance to the proper position by brake shoe clearance adjustment mechanism
assembly after installation is completed.

Installation
Installation is in the reverse order of removal.

CAUTION

 Make sure to tighten fixing bolts and nuts to the specified torque during installation.
 Make sure to install fixing clamp in place.

HINT:
Parking brake should be adjusted after replacing parking brake shoe. Check if parking brake functions
properly after adjustment is completed.
 Fully pull up parking brake control mechanism.
 Release parking brake control mechanism and check if rear wheels rotate freely.
 If wheels are difficult to rotate freely, repeat adjustment procedures.
 After driving for a period of time, parking brake control mechanism stroke should be readjusted because of
wear of rear brake shoe linings.

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- MEMO -

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