Engine Control Module: Specifications

PCM Terminal Connector End View:

PCM Connector Terminal (Clear) Pin Description:

PCM Connector Terminal (Black) Pin Description:

PCM Connector Terminal (Blue) Pin Description:

CAUTION: DO NOT BACKPROBE PCM CONNECTORS!

Install the Break-out Box (BOB) between the PCM harness connectors and the PCM, then probe the pin listed under "BOB PIN #." Voltage may vary due to low battery charge or other reasons, but should be close. All voltages shown in the ENG "RUN" column are typical with engine at idle, closed throttle, normal operating temperature, park or neutral, system in "Closed Loop," all accessories "OFF," and scan tool NOT installed.

DVM NEGATIVE LEAD MUST BE CONNECTED TO A KNOWN GOOD GROUND.

(1) INCREASES WITH VEHICLE SPEED (MEASURE ON AC SCALE).

(2) NORMAL OPERATING TEMPERATURE.

(3) VARIES

(4) 12.0 VOLTS FIRST TWO SECONDS.

(5) VARIES WITH TEMPERATURE.

(*) LESS THAN 1.0 VOLT.