DRIVEABILITY - NGC
P0688-ASD RELAY SENSE CIRCUIT LOW —
TEST
7
Turn the ignition off.
Remove the ASD Relay from the PDC.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING
THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMI-
NALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL
MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.
Measure the resistance of the ASD Output circuit from the PDC to the each of the
ASD Relay Output circuits at the appropriate terminal of special tool #8815.
Is the resistance below 5.0 ohms?
Yes → Go To 8
→ Repair the open in the ASD Relay Output circuit(s).
No
8
NOTE: Before continuing, check the PCM harness connector terminals for
corrosion, damage, or terminal push out. Repair as necessary.
If there are no possible causes remaining, view repair.
Repair
ACTION
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
Replace and program the Powertrain Control Module in accor-
dance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 5 - NGC.
Continued
262
APPLICABILITY
All
All