Fuel and Emissions Systems

System Descriptions (cont'd)

11-10  

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:D17A9 engine

*2:A/T