Test 6A - No Response From Powertrain Control Module
NOTE:
For connector terminal identification see CONNECTOR IDENTIFICATION
. For wiring diagrams, see WIRING DIAGRAMS
. Perform VERIFICATION TEST VER-1A
after each repair.
CAUTION:
Always turn ignition off prior to disconnecting any module connector.
- If engine does not run, see appropriate article:
If engine runs, turn ignition off. Disconnect Powertrain Control Module (PCM). PCM is located on left fenderwell, next to power distribution center. Turn ignition on. Connect jumper wire between ground and PCM connector terminal No. 59 (Violet/Brown wire).
- Using scan tool, select BODY, BODY COMPUTER, then SYSTEM TEST. Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, repair open Violet/Brown wire. If scan tool displays BUS SHORT TO GROUND, go to next step.
- Move jumper wire to terminal No. 60 (White/Black wire). Perform CCD BUS test. If scan tool does not display BUS SHORT TO GROUND, repair open White/Black wire. If scan tool displays BUS SHORT TO GROUND, replace PCM.