TEST
ACTION
APPLICABILITY
3
Turn the ignition off to the lock position.
Disconnect the TCM 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 the Transmission Control
Relay Output circuit in the Transmission Control Relay connector.
Ignition on, engine not running.
Measure the voltage of the 2/4 Pressure Switch Sense circuit.
Is the voltage above 0.5 volt?
All
Yes
→ Repair the 2/4 Pressure Switch Sense circuit for a short to voltage.
Perform 42RLE TRANSMISSION VERIFICATION TEST - VER
1.
No
→ Go To 4
4
Turn the ignition off to the lock position.
Disconnect the TCM harness connector.
Disconnect the Transmission Solenoid/Pressure Switch Assembly harness connector.
Remove the Transmission Control Relay from the PDC.
Note: Check connectors - Clean/repair as necessary.
Connect a jumper wire between the Fused B+ circuit and the Transmission Control
Relay Output circuit in the Transmission Control Relay connector.
Ignition on, engine not running.
Measure the voltage of the L/R Pressure Switch Sense circuit.
Is the voltage above 0.5 volt?
All
Yes
→ Repair the L/R Pressure Switch Sense circuit for a short to
voltage.
Perform 42RLE TRANSMISSION VERIFICATION TEST - VER
1.
No
→ Test Complete.
5
The conditions necessary to set this DTC are not present at this time.
Using the schematics as a guide, inspect the wiring and connectors specific to this
circuit.
Wiggle the wiring while checking for shorts and open circuits.
With the DRBIII
t, check the EATX EVENT DATA to help identify the conditions in
which the DTC was set.
Were there any problems found?
All
Yes
→ Repair as necessary.
Perform 42RLE TRANSMISSION VERIFICATION TEST - VER
1.
No
→ Test Complete.
389
TRANSMISSION - 42RLE
P0890-SWITCHED BATTERY —
Continued