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TRANSMISSION - NGC
P0890-SWITCHED BATTERY —
TEST
2
With the DRBIII , Check the STARTS SINCE SET counter for P0890.
Note: This counter only applies to the last DTC set.
Is the STARTS SINCE SET counter set at 0?
Yes → Go To 3
→ Go To 7
No
3
Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Disconnect the Solenoid/Pressure Switch Assembly harness connector.
Remove the Transmission Control Relay.
Note: Check connectors - Clean/repair as necessary.
Connect a jumper wire between the Fused B+ circuit and Transmission Control Relay
Output circuit in the Transmission Control Relay connector.
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 OD Pressure Switch Sense circuit.
Is the voltage above 0.5 volt?
Yes → Repair the OD Pressure Switch Sense circuit for a short to
→ Go To 4
No
4
Turn the ignition off to the lock position.
Disconnect the PCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Remove the Transmission Control Relay.
Note: Check connectors - Clean/repair as necessary.
Connect a jumper wire between the Fused B+ circuit and Transmission Control Relay
Output circuit in the Transmission Control Relay connector.
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 2/4 Pressure Switch Sense circuit.
Is the voltage above 0.5 volt?
Yes → Repair the 2/4 Pressure Switch Sense circuit for a short to voltage.
→ Go To 5
No
Continued
ACTION
voltage.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
Perform 41TE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
268
APPLICABILITY
All
All
All
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