TEST
ACTION
APPLICABILITY
2
With the DRBIII
t, read Transmission DTC’s
Are there any Transmission Control Relay DTC’s present?
All
Yes
→ Refer to the Transmission category and perform the appropriate
symptom.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
No
→ Go To 3
3
With the DRBIII
t, Check the STARTS SINCE SET counter.
NOTE: This counter only applies to the last DTC set.
Is the STARTS SINCE SET counter for P0755 set at 0?
All
Yes
→ Go To 4
No
→ Go To 11
4
Turn the ignition off to the lock position.
Remove the Starter Relay.
CAUTION: Removal of the Starter Relay is to prevent a Transmission, NO
RESPONSE, condition and disable the starter.
Install the Transmission Simulator, Miller tool #8333 and the Electronic Transmis-
sion Adapter kit 8333-1A.
Ignition on, engine not running.
With the DRBIII
t, actuate the 2/4 Solenoid.
With the Transmission Simulator, monitor the 2/4 Solenoid LED.
Did the 2/4 Solenoid LED on the Transmission Simulator blink on and off during
actuation?
All
Yes
→ Go To 5
No
→ Go To 6
5
If there are no possible causes remaining, view repair.
All
Repair
Replace the Transmission Solenoid/Pressure Switch Assembly per
the Service Information.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
6
Turn the ignition off to the lock position.
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.
Using a 12-volt test light connected to ground, check the Transmission Control Relay
Output circuit.
NOTE: The test light must illuminate brightly. Compare the brightness to
that of a direct connection to the battery.
Does the test light illuminate brightly?
All
Yes
→ Go To 7
No
→ Repair the Transmission Control Relay Output circuit for an open
or high resistance.
Perform 41TE TRANSMISSION VERIFICATION TEST - VER 1.
76
TRANSMISSION - EATX
P0755-2/4 SOLENOID CIRCUIT —
Continued