TEST
ACTION
APPLICABILITY
8
Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Remove the Transmission Control Relay.
Note: Check connectors - Clean/repair as necessary.
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 between ground and the Transmission Control Relay Control
circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Repair the Transmission Control Relay Control circuit for a short
to ground.
Perform 40/41TE (NGC) TRANSMISSION VERIFICATION
TEST - VER 1.
No
→ Go To 9
9
Using the schematics as a guide, inspect the wiring and connectors. Repair as
necessary. Pay particular attention to all power and ground circuits.
If there are no possible causes remaining, view repair.
All
Repair
Replace the Powertrain Control Module per the Service Informa-
tion. WITH THE DRBIII
t PERFORM QUICK LEARN AND
REPROGRAM PINION FACTOR.
Perform 40/41TE (NGC) TRANSMISSION VERIFICATION
TEST - VER 1.
10
Turn the ignition off to the lock position.
Remove the Transmission Control Relay.
Disconnect the PCM harness connectors.
Note: Check connectors - Clean/repair as necessary.
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 between ground and the Transmission Control Relay Output
circuit.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 11
No
→ Repair the Fused B+ circuit for an open.
Perform 40/41TE (NGC) TRANSMISSION VERIFICATION
TEST - VER 1.
130
TRANSMISSION - NGC
P0888-RELAY OUTPUT ALWAYS OFF —
Continued