TEST
ACTION
APPLICABILITY
3
Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Disconnect the AutoStick/OD Switch harness connector.
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 of the AutoStick/OD Off MUX Input circuit between the
AutoStick/OD Switch harness connector and the PCM harness connector.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 4
No
→ Repair the AutoStick/OD Off MUX Input circuit for an open.
Perform 40/41TE (NGC) TRANSMISSION VERIFICATION
TEST - VER 1.
4
Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Disconnect the AutoStick/OD Switch harness connector.
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 of the ground circuit between the AutoStick/OD Switch
harness connector and ground.
Is the resistance below 5.0 ohms?
All
Yes
→ Go To 5
No
→ Repair the AutoStick Switch Ground circuit for an open.
Perform 40/41TE (NGC) TRANSMISSION VERIFICATION
TEST - VER 1.
5
Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Disconnect the Autostick/OD switch harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
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 voltage of the AutoStick/OD Off MUX Input circuit.
Is the voltage above 0.5 volts?
All
Yes
→ Repair the AutoStick/OD Off MUX Input circuit for a short to
voltage.
Perform 40/41TE (NGC) TRANSMISSION VERIFICATION
TEST - VER 1.
No
→ Go To 6
146
TRANSMISSION - NGC
P0953-AUTOSTICK INPUT CIRCUIT HIGH —
Continued