Fuel and Emissions Systems

System Descriptions (cont'd)

11-180  

ECM/PCM Inputs and Outputs at Connector E (31P)

Wire side of female terminals

NOTE: Standard battery voltage is 12 V.

Terminal number

Wire colour

Terminal name

Description

Signal

1*13

GRN/YEL

IMO FPR (IMMOBILIZER FUEL PUMP RELAY)

Drives PGM-FI main relay 2

0 V for 2 seconds after turning ignition switch ON (II), then battery voltage

2*10

WHT/RED

SHO2S (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S), SENSOR 2)

Detects secondary HO2S (sensor 2) signal

With throttle fully opened from idle with fully warmed up engine: above 0.6 V

With throttle quickly closed: below 0.4 V

3

BRN/YEL

LG3 (LOGIC GROUND)

Ground for the ECM/PCM control circuit

Less than 1.0 V at all times

4

PNK

SG3 (SENSOR GROUND)

Sensor ground

Less than 1.0 V at all times

5

YEL/BLU

VCC3 (SENSOR VOLTAGE)

Provides sensor voltage

With ignition switch ON (II): about 5 V

With ignition switch OFF: about 0 V

6*10

BLK/WHT

SO2SHTC (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) HEATER CONTROL)

Drives secondary HO2S heater

With ignition switch ON (II): battery voltage

With fully warmed up engine running: duty controlled

7

RED/YEL

MRLY (PGM-FI MAIN RELAY)

Drives PGM-FI main relay 1 Power source for the DTC memory

With ignition switch ON (II): about 0 V

With ignition switch OFF: battery voltage

9

YEL/BLK

IG1 (IGNITION SIGNAL)

Detects ignition signal

With ignition switch ON (II): battery voltage

With ignition switch OFF: about 0 V

10*19

GRN/YEL

FPR (FUEL PUMP RELAY)

Drives PGM-FI main relay 2

0 V for 2 seconds after turning ignition switch ON (II), then battery voltage

12*4

BLU/ORN

CCS (CRUISE CONTROL SIGNAL)

Detects cruise control signal

With ignition switch ON (II): pulse

15*5

GRN/RED

ELD (ELECTRICAL LOAD DETECTOR (ELD))

Detects ELD signal

With ignition switch ON (II): about 0.1-4.8 V

(depending on electrical load)

15*2

ORN

IMA (IDLE MIXTURE ADJUSTER (IMA))

Detects IMA signal

With ignition switch ON (II): about 0.5-4.5 V

(depending on idle mixture)


*1: with TWC model (except KV model)

*2: without TWC model

*3: D15Y4, D17A2 (KU, KQ, KZ, FO models) engines

*4: with cruise control

*5: D15Y4, D17A2 (KU model) engines

*6: D15Y4, D16W8, D16W9, D17A2, D17A5, D17Z3, D17Z4 engines

*7: D16W8, D16W9 engines

*8: except D15Y2, D15Y3, D15Y5, D15Y6 engines

*9: D15Y6 engine

*10: D15Y4, D17A2 (KU, KQ, KZ, FO models), D17Z1 (KQ model) engines

*11:KU model

*12 except KU model

*13: D15Y6, D15Y3 (KY model with immobiliser, KN model), D15Y5, D15Y4, D17Z1 (KQ, KZ models), D17A1 (KK model), D17A2 (except MA model), D17A5 (KY model with immobiliser, KN model) engines

*14: except D15Y3 (PA, KW, KT, KN models), D16W9 (PA model), D17A5 (KN model) engines

*15: A/T and M/T

*16: CVT

*17: A/T and CVT

*18: A/T

*19:except D15Y6, D15Y3 (KY model with immobiliser, KN model), D15Y5, D15Y4, D17Z1 (KQ, KZ models), D17A1 (KK model), D17A2 (except MA model), D17A5 (KY model with immobiliser, KN model) engine