TEST
ACTION
APPLICABILITY
3
Turn the ignition on.
With the DRBIII
t, read DTCs.
Are any Park/Neutral Position Switch codes present?
without 45RFE
AUTO TRANS
Yes
→
Repair the Park/Neutral Position Switch DTC(s) before proceed-
ing.
Perform TRANSMISSION VERIFICATION TEST VER - 1.
No
→
Go To
4
4
Start the engine.
Allow the transmission to reach normal operating temperature.
Check the fluid level and condition.
Is the fluid level correct and the fluid condition OK?
without 45RFE
AUTO TRANS
Yes
→
Go To
5
No
→
Repair the transmission fluid level and condition as necessary.
Perform TRANSMISSION VERIFICATION TEST VER - 1.
5
Turn the ignition off.
Disconnect the Transmission Solenoid Assembly harness connector.
Disconnect the PCM C2 harness connector.
Check connectors - Clean/repair as necessary
Measure the resistance of the 5 volt supply circuit between the Transmission
Solenoid Assembly harness connector and the PCM C2 harness connector.
Is the resistance below 5.0 ohms?
without 45RFE
AUTO TRANS
Yes
→
Go To
6
No
→
Repair the 5 volt supply circuit for an open.
Perform TRANSMISSION VERIFICATION TEST VER - 1.
6
Turn the ignition off.
Disconnect the Transmission Solenoid Assembly harness connector.
Disconnect the PCM C2 harness connector.
Check connectors - Clean/repair as necessary
Measure the resistance between ground and the governor pressure sensor signal
circuit in the Transmission Solenoid Assembly harness connector.
Is the resistance below 5.0 ohms?
without 45RFE
AUTO TRANS
Yes
→
Repair the governor pressure sensor signal circuit for a short to
ground.
Perform TRANSMISSION VERIFICATION TEST VER - 1.
No
→
Go To
7
7
Turn the ignition off.
Disconnect the Transmission Solenoid Assembly harness connector.
Disconnect the PCM C1 and C2 harness connectors.
Check connectors - Clean/repair as necessary
Measure the resistance of the governor pressure sensor signal circuit to the sensor
ground circuit in the Transmission Solenoid Assembly harness connector.
Is the resistance below 5.0 ohms?
without 45RFE
AUTO TRANS
Yes
→
Repair the governor pressure sensor signal circuit for a short to
the sensor ground circuit.
Perform TRANSMISSION VERIFICATION TEST VER - 1.
No
→
Go To
8
389
TRANSMISSION
P1764-GOVERNOR PRESSURE SENSOR VOLTS TOO LOW —
Continued