PCM Inputs and Outputs at PCM Connector A (□) (49P)
NOTE:
Check the label on the PCM to see if it was made by Keihin or Continental. Refer to the General Troubleshooting Information .
PCM CONNECTOR TERMINALS REFERENCE CHART A (49P)
| Terminal number | Wire color | Terminal name | Description | Signal | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1 | PUR | VBSOL2 (POWER SOURCE FOR SOLENOID VALVES) | Power source for solenoid valves | With ignition switch ON (II): battery voltage | ||||||||
| 2 | PNK | SLS (SHIFT LOCK SOLENOID) | Drives shift lock solenoid | With ignition switch ON (II), in P, brake pedal pressed, and accelerator pedal released: about 0 V | ||||||||
| 3 | ORN | STRLY (STARTER RELAY) | Drives starter cut relay | With ignition switch ON (II): about 0 V | ||||||||
| 4 | GRN | FANL (RADIATOR FAN CONTROL) | Drives A/C condenser fan relay | With condenser fan running: about 0 V With condenser fan stopped: battery voltage |
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| 5 | BRN | FANH (RADIATOR FAN CONTROL) | Drives radiator fan relay | With radiator fan running at high speed: about 0 V With radiator fan stopped or running at low speed: battery voltage |
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| 6 | RED | MRLY (PGM-FI MAIN RELAY 1) | Drives PGM-FI main relay 1 | With ignition switch ON (II): about 0 V With ignition switch in LOCK (0): battery voltage |
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| 7 | ORN | BKSWNC (BRAKE PEDAL POSITION SWITCH) | Detects brake pedal position switch signal | With ignition switch ON (II) and brake pedal released: battery voltage With ignition switch ON (II) and brake pedal pressed: about 0 V |
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| 8 | LT GRN | BKSW (BRAKE PEDAL POSITION SWITCH) | Detects brake pedal position switch signal | With brake pedal released: about 0 V With brake pedal pressed: battery voltage |
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| 9 | PUR | VG- (MASS AIR FLOW (MAF) SENSOR-SIDE) | Ground for MAF sensor signal | |||||||||
| 10 | BLU | ELD (ELECTRICAL LOAD DETECTOR (ELD)) | Detects ELD signal | With ignition switch ON (II): about 0.1-4.8 V (depending on electrical load) | ||||||||
| 11 | GRY | IMOFPR (IMMOBILIZER FUEL PUMP RELAY) | Drives PGM-FI main relay 2 | 0 V for 2 seconds after turning ignition switch ON (II), then battery voltage | ||||||||
| 12 | Not used | Not used | ||||||||||
| 13 | PUR | ACC (A/C CLUTCH RELAY) | Drives A/C clutch relay | With compressor ON: about 0 V With compressor OFF: battery voltage |
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| 14 | LT GRN | CSSAMA (CYLINDER STOP SOLENOID A) | Outputs rocker arm oil control solenoid B (Bank 1) drive signal | Rocker arm oil control solenoid B (Bank 1) ON: battery voltage Rocker arm oil control solenoid B (Bank 1) OFF: about 0 V |
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| 15 | LT BLU | CSSAMC (CYLINDER STOP SOLENOID C) | Outputs rocker arm oil control solenoid A (Bank 2) drive signal | Rocker arm oil control solenoid A (Bank 2) ON: battery voltage Rocker arm oil control solenoid A (Bank 2) OFF: about 0 V |
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| 16(3) | BLU | ATPP (TRANSMISSION RANGE SWITCH P) | Detects transmission range switch P position signal | In P: about 0 V In any position other than P: battery voltage |
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| 16(4) | BLU | ATPP (TRANSMISSION RANGE SWITCH P) | Detects transmission range switch P position signal | In P: about 0 V In any position other than P: more than 5.0 V |
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| 17(1) | WHT | D4SW (D4 SWITCH) | Detects D4 button signal | D4 button released: battery voltage D4 button pressed: about 0 V |
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| 17(2) | WHT | D3SW (D3 SWITCH) | Detects D3 button signal | D3 button released: battery voltage D3 button pressed: about 0 V |
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| 18 | PUR | APSA (ACCELERATOR PEDAL POSITION (APP) SENSOR A) | Detects APP sensor A signal | With ignition switch ON (II) and accelerator pedal pressed: about 4.7 V With ignition switch ON (II) and accelerator pedal released: about 1.0 V |
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| 19 | LT GRN | APSB (ACCELERATOR PEDAL POSITION (APP) SENSOR B) | Detects APP sensor B signal | With ignition switch ON (II) and accelerator pedal pressed: about 2.3 V With ignition switch ON (II) and accelerator pedal released: about 0.5 V |
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| 20 | BRN | VG+ (MASS AIR FLOW (MAF) SENSOR +SIDE) | Detects MAF sensor signal | At idle with warmed up engine and no electrical load: about 1.1-1.6V (between VG+ terminal and VG- terminal) | ||||||||
| 21 | YEL | ECT2 (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2) | Detects ECT sensor 2 signal | With ignition switch ON (II): about 0.1-4.8 V (depending on engine coolant temperature) | ||||||||
| 22 | RED | VSV (EVAPORATIVE EMISSION (EVAP) CANISTER VENT SHUT VALVE) | Drives EVAP canister vent shut valve | With ignition switch ON (II): battery voltage | ||||||||
| 23(4) | YEL | VBUM (VOLTAGE BACK UP) | Power source for PCM memory | Battery voltage at all times | ||||||||
| 24 | RED | VCC3 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||||||
| 25 | BRN | VCC4 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||||||
| 26 | BLU | SG3 (SENSOR GROUND) | Sensor ground | Less than 0.2 V at all times | ||||||||
| 27 | GRN | SG4 (SENSOR GROUND) | Sensor ground | Less than 0.2 V at all times | ||||||||
| 28 | LT BLU | STRLD | Detects starter cut relay | With starter ON: battery voltage | ||||||||
| 29 | RED | ETCSRLY (ELECTRONIC THROTTLE CONTROL SYSTEM (ETCS) CONTROL RELAY) | Drives electronic throttle control system (ETCS) control relay | With ignition switch ON (II): about 0 V | ||||||||
| 30 | GRN | VSP (VEHICLE SPEED SIGNAL OUTPUT) | Sends vehicle speed signal | Depending on vehicle speed: pulses | ||||||||
| 31 | LT BLU | STS (STARTER SWITCH SIGNAL) | Detects starter switch signal | With ignition switch in START (III): battery voltage With ignition switch in any position other than START (III): about 0 V |
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| 32 | ORN | SCS (SERVICE CHECK SIGNAL) | Detects service check signal | With service check signal shorted using the HDS: about 0 V With service check signal opened: about 5.0 V |
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| 33 | YEL | NEP (ENGINE SPEED PULSE) | Outputs engine speed pulse | With engine running: pulses | ||||||||
| 34 | GRN | CKPOUT (CRANKSHAFT POSITION (CKP) OUTPUT SIGNAL) | Sends CKP signal to engine mount control unit | With engine running: pulses | ||||||||
| 35 | RED | CMPOUT (CAMSHAFT POSITION (CMP) OUTPUT SIGNAL) | Sends CMP signal to engine mount control unit | With engine running: pulses | ||||||||
| 36 | LT BLU | VCC7 (SENSOR VOLTAGE) | Provides sensor reference voltage | With ignition switch ON (II): about 5.0 V | ||||||||
| 37 | BLK | SG7 (SENSOR GROUND) | Sensor ground | Less than 0.2 V at all times | ||||||||
| 38 | PNK | PSPSW (POWER STEERING PRESSURE SWITCH SIGNAL) | Detects PSP switch signal | At idle with steering wheel in straight ahead position: about 0 V At idle with steering wheel at full lock: battery voltage |
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| 39 | PUR | FTP (FUEL TANK PRESSURE (FTP) SENSOR) | Detects FTP sensor signal | With ignition switch ON (II) and fuel fill cap removed: about 2.5 V | ||||||||
| 40 | PNK | SUBRLY (PGM-FI SUBRELAY) | Drives PGM-FI subrelay | With ignition switch ON (II): about 0 V | ||||||||
| 41 | BRN | LG3 (LOGIC GROUND) | Ground circuit for PCM | Less than 0.2 V at all times | ||||||||
| 42 | Not used | Not used | ||||||||||
| 43 | Not used | Not used | ||||||||||
| 44 | Not used | Not used | ||||||||||
| 45 | Not used | Not used | ||||||||||
| 46 | PUR | IMOCD (SERIAL COMMUNICATION FOR IMMOBILIZER) | Sends and receives communication signal | With ignition switch ON (II): pulses | ||||||||
| 47 | Not used | Not used | ||||||||||
| 48 | WHT | F-CAN H (F-CAN COMMUNICATION SIGNAL HIGH) | Sends and receives communication signal | With ignition switch ON (II): pulses | ||||||||
| 49 | BLK | F-CAN L (F-CAN COMMUNICATION SIGNAL LOW) | Sends and receives communication signal | With ignition switch ON (II): pulses | ||||||||
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