ECM/PCM Inputs and Outputs at Connector B (24P)
NOTE:
Standard battery voltage is about 12 V.
TERMINALS REFERENCE CHART
| Terminal number | Wire color | Terminal name | Description | Signal |
|---|---|---|---|---|
| 1 | BLU/RED | CKPB (CRANKSHAFT POSITION (CKP) SENSOR B) | Drives CKP sensor B signal | With engine running: pulses |
| 2 | RED/YEL | PCS (EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE) | Drives EVAP canister purge valve | With engine running, engine coolant below 149°F (65°C): battery voltage With engine running, engine coolant above 149°F (65°C): duty controlled |
| 3 | WHT/RED | IMT- (INTAKE MANIFOLD TUNING (IMT) ACTUATOR - SIDE) | Ground for IMT actuator | With ignition switch ON (II): battery voltage |
| 4 | WHT/BLU | IMT+ (INTAKE MANIFOLD TUNING (IMT) ACTUATOR +SIDE) | Drives IMT actuator | With ignition switch ON (II): battery voltage |
| 5 | BLU/RED | EGR (EXHAUST GAS RECIRCULATION(EGR) VALVE) | Drives EGR valve | With EGR operating: duty controlled With EGR not operating: about 0 V |
| 6 | RED/BLU | KS (KNOCK SENSOR) | Detects knock sensor signal | With engine knocking: pulses |
| 7 | BLU/YEL | MCS (ENGINE MOUNT CONTROL SOLENOID VALVE) | Drives engine mount control solenoid valve | At idle: about 0 V Above idle: battery voltage |
| 8 | YEL | CMP (CAMSHAFT POSITION (CMP) SENSOR) | Detects CMP sensor signal | With engine running: pulses |
| 9 | GRN | SHO2SB1 (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) BANK 1, SENSOR 2) | Detects rear secondary HO2S (Bank 1, 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 |
| 10 | GRN | FANH (RADIATOR FAN RELAY, FAN CONTROL RELAY HIGH) | Drives radiator fan relay and fan control relay | With ignition switch ON (II): battery voltage |
| 11 | WHT/BLK | IMTM (INTAKE MANIFOLD TUNING (IMT) ACTUATOR MONITOR) | Detects IMT actuator position | With engine running: about 0 V With engine speed above 4,000 rpm: about 5.0 V |
NOTE:
Standard battery voltage is about 12 V.
TERMINALS REFERENCE CHART
| Terminal number | Wire color | Terminal name | Description | Signal | ||
|---|---|---|---|---|---|---|
| 12 | BLU | VSB1 (VSCELL+BANK1) | Detects rear A/F sensor (Bank 1, sensor DVS CELL signal | With engine running: about 3.4-4.8 V | ||
| 13 | RED | VCENTB1 (VIRTUAL GROUND BANK 1) | Reference voltage supply for rear A/F sensor (Bank 1, sensor 1) | With fully warmed up engine at idle: about 3.4-3.8 V | ||
| 14 | GRN | IPB1 (IPCELL+BANK1) | Detects rear A/F sensor (Bank 1, sensor 1) pump cell | With engine running: about 2.0-5.6 V | ||
| 15 | BRN/YEL | LG2 (LOGIC GROUND) | Ground circuit for ECM/PCM | Less than 1.0 Vat all times | ||
| 17 | BLU | CKPA (CRANKSHAFT POSITION (CKP) SENSOR A) | Detects CKP sensor A signal | With engine running: pulses | ||
| 18 | WHT | SHO2SB2 (SECONDARY HEATED OXYGEN SENSOR (SECONDARY HO2S) BANK 2, SENSOR 2) | Detects front secondary HO2S (Bank 2, 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 |
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| 19 | BLU | NC (OUTPUT SHAFT (COUNTERSHAFT) SPEED SENSOR) | Detects output shaft (countershaft) speed sensor signals | With ignition switch ON (II) and front wheels rotated by hand: pulses | ||
| 20 | RED/BLU | VSB2 (VSCELL+BANK2) | Reference voltage supply for front A/F sensor (Bank 2, sensor 1) | With fully warmed up engine at idle: about 3.4-4.8 V | ||
| 21 | RED/WHT | VCENTB2 (VIRTUAL GROUND BANK 2) | Detects front A/F sensor (Bank 2, sensor DVS CELL signal | With engine running with fully warmed up engine: about 3.4-4.8 V | ||
| 22 | GRN/RED | IPB2 (IPCELL+BANK2) | Detects front A/F sensor (Bank 2, sensor 1) pump cell | With engine running: about 2.0-5.6 V | ||
| 23(1) | RED/BLK | ATPN (TRANSMISSION RANGE SWITCH N) | Detects transmission range switch N position signal | In N position: about 0 V In any position other than N: battery voltage |
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| 24 | GRN/RED | ECT2 (ENGINE COOLANT TEMPERATURE (ECT) SENSOR 2) | Detects ECT sensor 2 signal | With ignition switch ON (II): about 0.1-4.8V (depending on engine coolant temperature) | ||
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