## Fuel and Emissions Systems

#### System Descriptions (cont'd)

11-475

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

Wire side of female terminals

NOTE: Standard battery voltage is 12 V.

Terminal number | Wire colour | Terminal name | Description | Signal
19 | GRN/RED | MAP (MANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR) | Detects MAP sensor signal | With ignition switch ON (II): about 3 V At idle: about 1.0 V (depending on engine speed)
20 | YEL/BLU | VCC2 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II): about 5 V With ignition switch OFF: about 0 V
21 | YEL/RED | VCC1 (SENSOR VOLTAGE) | Provides sensor voltage | With ignition switch ON (II): about 5 V With ignition switch OFF: about 0 V
23 | BRN/YEL | LG2 (LOGIC GROUND) | Ground for the ECM/PCM circuit | Less than 1.0 V at all times
24 | BRN/YEL | LG1 (LOGIC GROUND) | Ground for the ECM/PCM circuit | Less than 1.0 V at all times
26 | GRN | TDC (TOP DEAD CENTRE (TDC) SENSOR) | Detects TDC sensor | With engine running: pulses
27 | BRN | IGPLS4 (No. 4 IGNITION COIL PULSE) | Drives No. 4 ignition coil | With ignition switch ON (II): about 0 V With engine running: pulses
28 | WHT/BLU | IGPLS3 (No. 3 IGNITION COIL PULSE) | Drives No. 3 ignition coil
29 | BLU/RED | IGPLS2 (No. 2 IGNITION COIL PULSE) | Drives No. 2 ignition coil
30 | YEL/GRN | IGPLS1 (No. 1 IGNITION COIL PULSE) | Drives No. 1 ignition coil

*1: with TWC model

*2: without TWC model

*3: A/T