Fuel and Emissions Systems
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11-11 |
ECM/PCM Inputs and Outputs at Connector B (24P)
Wire side of female terminals
NOTE: Standard battery voltage is 12 V.
| Terminal number | Wire colour | Terminal name | Description | Signal |
| 2 | YEL | INJ4 (No. 4 INJECTOR) | Drives No. 4 injector | With ignition switch ON (II): battery voltage
At idle: duty controlled |
| 3 | BLU | INJ3 (No. 3 INJECTOR) | Drives No. 3 injector | |
| 4 | RED | INJ2 (No. 2 INJECTOR) | Drives No. 2 injector | |
| 5 | BRN | INJ1 (No. 1 INJECTOR) | Drives No. 1 injector | |
| 6 | GRN | FANC (RADIATOR FAN CONTROL) | Drives radiator fan relay | With radiator fan running: about 0 V
With radiator fan stopped: battery voltage |
| 7*2 | RED/BLK | LSA + (A/T PRESSURE CONTROL SOLENOID VALVE A + SIDE | Drives A/T pressure control solenoid valve A | With the ignition switch ON (II): duty controlled |
| 8 | RED/WHT | ECT (ENGINE COOLANT TEMPERATURE (ECT) SENSOR) | Detects ECT sensor signal | With the ignition switch ON (II): about 0.1-4.8 V
(depending on engine coolant temperature) |
| 9*1 | BLU/BLK | VTPSW (VTEC OIL PRESSURE SWITCH) | Detects VTEC oil pressure switch signal | At idle: about 0 V |
| 10 | WHT/BLU | ALTL (ALTERNATOR L SIGNAL) | Detects alternator L signal | With ignition switch ON (II): about 0 V
With engine running: battery voltage |
| 13 | WHT/RED | ALTF (ALTERNATOR FR SIGNAL) | Detects alternator FR signal | With engine running: 0 V-5 V
(depending on electrical load) |
| 14*1 | BLU/RED | EGR (EXHAUST GAS RECIRCULATION (EGR) VALVE) | Drives EGR valve | With EGR operating: duty controlled
With EGR not operating: about 0 V |
| 15*1 | GRN/YEL | VTS (VTEC SOLENOID VALVE) | Drives VTEC solenoid valve | At idle: about 0 V |
| 16*2 | BLK/RED | LSB + (A/T PRESSURE CONTROL SOLENOID VALVE B + SIDE) | Drives A/T pressure control solenoid valve B | With the ignition switch ON (II): duty controlled |
| 17 | RED/YEL | IAT (INTAKE AIR TEMPERATURE (IAT) SENSOR) | Detects IAT sensor signal | With ignition switch ON (II): about 0.1 V-4.8 V
(depending on intake air temperature) |
| 21 | YEL/BLU | PCS (EVAPORATIVE EMISSION (EVAP) CANISTER PURGE VALVE) | Drives EVAP canister purge valve | With engine running, engine coolant below 70°C (158°F): battery voltage
With engine running, engine coolant above 70°C (158°F): duty controlled |
*1:D17A9 engine
*2:A/T
