Chrysler Concorde 2004 Service Manual page 1294

TRANSMISSION - NGC
P0891-TRANSMISSION RLY ALWAYS ON —
TEST
2 With the DRBIII , Check the STARTS SINCE SET counter for P0891.
Note: This counter only applies to the last DTC set.
Is the STARTS SINCE SET counter equal to 0?
Yes → Go To 3
→ Go To 7
No
3 Turn the ignition off to the lock position.
Remove the Transmission Control Relay.
Note: Check connectors - Clean/repair as necessary.
Measure the resistance between the Fused B+ circuit and the Transmission Control
Relay Output Circuit in the Transmission Control Relay.
Is the resistance above 5.0 ohms?
Yes → Go To 4
→ Replace the Transmission Control Relay.
No
4 Turn the ignition off to the lock position.
Remove the Transmission Control Relay.
Disconnect the PCM 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 at the Transmission Control Relay Output circuit in the
Transmission Control Relay connector.
Is the voltage above 0.5 volts?
Yes → Repair the Transmission Control Relay Output circuit for a short
→ Go To 5
No
5 Turn the ignition off to the lock position.
Remove the Transmission Control Relay.
Ignition on, engine not running.
Note: Check connectors - Clean/repair as necessary.
Measure the voltage at the Transmission Control Relay Control circuit.
Is the voltage above 0.5 volts?
Yes → Repair the Transmission Control Relay Control circuit for a short
→ Go To 6
No
ACTION
Perform 42LE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
to voltage.
Perform 42LE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
to voltage.
Perform 42LE (NGC) TRANSMISSION VERIFICATION TEST -
VER 1.
Continued
134
APPLICABILITY
All
All
All
All