## Fuel and Emissions Systems

#### System Descriptions (cont'd)

11-181

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
16*12 | LT GRN/BLK | PSPSW (POWER STEERING PRESSURE SWITCH SIGNAL) | Detects PSP switch signal | At idle with steering wheel in straight ahead position: 0 V At idle with steering wheel at full lock: battery voltage
16*11 | LT GRN/BLK | EPSLD (ELECTRICAL POWER STEERING LOAD DETECT) | Detects power steering load signal | At idle with steering wheel in straight ahead position: 0 V At idle with steering wheel at full lock: battery voltage momentarily
18 | RED | ACC (A/C CLUTCH RELAY) | Drives A/C clutch relay | With compressor ON: about 0 V With compressor OFF: battery voltage
22 | WHT/BLK | BKSW (BRAKE PEDAL POSITION SWITCH) | Detects brake pedal position switch signal | With brake pedal released: about 0 V With brake pedal pressed: battery voltage
23 | LT BLU | K-LINE | Sends and receives scan tool signal | With ignition switch ON (II): pulses or battery voltage
24 | YEL | SEFMJ | Communicates with multiplex control unit | With ignition switch ON (II): about 5 V With engine running under load: pulses
25*10 | BLU/WHT | VSSOUT (VEHICLE SPEED SENSOR (VSS) OUTPUT SIGNAL) | Sends vehicle speed sensor signal | Depending on vehicle speed: pulses
26 | BLU | NEP (ENGINE SPEED PULSE) | Outputs engine speed pulse | With engine running: pulses
27*13 | RED/BLU | IMOCD (IMMOBILISER CODE) | Detects immobiliser signal |
29 | BRN | SCS (SERVICE CHECK CONNECTOR) | Detects service check signal | With the service check signal shorted with the PGM Tester: about 0 V With the service check signal opened: about 5 V battery voltage
31 | GRN/ORN | MIL (MALFUNCTION INDICATOR LAMP) | Drives MIL | With MIL turned ON: about 0 V With MIL turned OFF: battery voltage

*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