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B161 AC refrigerant pressure sensor
B138 Accelerator pedal position (APP) sensor
G1 Alternator
31 Battery -
30 Battery +
S13 Brake pedal position (BPP) switch
Y183 Camshaft position (CMP) actuator, exhaust
Y182 Camshaft position (CMP) actuator, intake
B132-I Camshaft position (CMP) sensor 1
B132-II Camshaft position (CMP) sensor 2
S258 Clutch pedal position (CPP) switch
CAN-H Controller area network (data bus) high
CAN-L Controller area network (data bus) low
B54 Crankshaft position (CKP) sensor
X1 Data link connector (DLC)
K46 Engine control (EC) relay
A35 Engine control module (ECM)
K12-I Engine coolant blower motor relay 1
K12-II Engine coolant blower motor relay 2
B24-I Engine coolant temperature (ECT) sensor 1
B24-II Engine coolant temperature (ECT) sensor 2
R96 Engine coolant thermostat
B86 Engine oil level sensor
S389 Engine oil pressure switch
Y104 Evaporative emission (EVAP) canister purge valve
M12 Fuel pump (FP)
K20 Fuel pump (FP) relay
F Fuse
X28-II Fuse box/relay plate, engine bay 1
X28-I Fuse box/relay plate, load area
B72-I Heated oxygen sensor (HO2S) 1
B72-II Heated oxygen sensor (HO2S) 2
T1 Ignition coil
K79 Ignition main circuits relay 1
15 Ignition switch - ignition ON
50 Ignition switch - start signal
Y3 Injector
B25 Intake air temperature (IAT) sensor
Y102 Intake manifold air control solenoid
B69 Knock sensor (KS)
B30 Mass air flow (MAF) sensor
A11-I Multifunction control module 1
Manufacturer: Opel/Vauxhall Model: Astra-H 1,8 © Autodata Limited 2010
Engine code: Z18XER Output: 103 (140) 6300 Valid forever. 29.12.2015
Tuned for: R-Cat Year: 2005-11 V8.500-
K4 Starter motor relay
A236 Steering column function control module
A103 Suspension control module
A177 Throttle control unit
M89 Throttle motor
B169 Throttle motor position sensor
bl = blue br = brown el = cream ge = yellow
gn = green gr = grey nf = neutral og = orange
rs = pink rt = red sw = black vi = violet
ws = white hbl = light blue hgn = light green rbr = maroon
x = braided cable y = high tension z = non-cable connection
NOTE: In certain diagrams (Citroen, Peugeot & Renault), colour codes are replaced by numbers which are used to
identify a particular cable and not the colour. In this instance, the cables will be numbered at each end close to the
harness connector.
Manufacturer: Opel/Vauxhall Model: Astra-H 1,8 © Autodata Limited 2010
Engine code: Z18XER Output: 103 (140) 6300 Valid forever. 29.12.2015
Tuned for: R-Cat Year: 2005-11 V8.500-
Manufacturer: Opel/Vauxhall Model: Astra-H 1,8 © Autodata Limited 2010
Engine code: Z18XER Output: 103 (140) 6300 Valid forever. 29.12.2015
Tuned for: R-Cat Year: 2005-11 V8.500-
Manufacturer: Opel/Vauxhall Model: Astra-H 1,8 © Autodata Limited 2010
Engine code: Z18XER Output: 103 (140) 6300 Valid forever. 29.12.2015
Tuned for: R-Cat Year: 2005-11 V8.500-
