TEST
ACTION
APPLICABILITY
2
With the DRBIII
t, Check the STARTS SINCE SET counter.
Note: This counter only applies to the last code set.
Is the STARTS SINCE SET counter equal to 0?
45RFE AUTO
TRANS
Yes
→
Go To
3
No
→
Go To
7
3
Turn ignition switch to the lock position
Remove the Transmission Control Relay
Turn the ignition on.
Measure the voltage at the Transmission Control Relay Output circuit in the relay
connector.
Is the voltage above 3.0 volts?
45RFE AUTO
TRANS
Yes
→
Repair the Transmission Control Relay Output circuit shorted to
voltage
Perform 45RFE TRANSMISSION VERIFICATION TEST - VER
1.
No
→
Go To
4
4
Turn ignition off to the lock position.
Disconnect the TCM harness connector.
Remove the Transmission Control Relay from the PDC.
Note: Check connectors - Clean/repair as necessary.
Ignition on, engine not running.
Measure the voltage at the Transmission Relay Control circuit in the relay connector.
Is the voltage above 3.0 volts?
45RFE AUTO
TRANS
Yes
→
Repair Transmission Relay Control circuit shorted to voltage.
Perform 45RFE TRANSMISSION VERIFICATION TEST - VER
1.
No
→
Go To
5
5
Turn the ignition 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 of the relay. (Pins 30 and 87)
Is the resistance above 5.0 ohms?
45RFE AUTO
TRANS
Yes
→
Go To
6
No
→
Replace the Transmission Control Relay
Perform 45RFE TRANSMISSION VERIFICATION TEST - VER
1.
6
If there are no possible causes remaining, view repair.
45RFE AUTO
TRANS
Repair
Replace the TCM. WITH THE DRBIII
t PERFORM QUICK
LEARN.
Perform 45RFE TRANSMISSION VERIFICATION TEST - VER
1.
155
TRANSMISSION
P1767-TRANSMISSION RELAY ALWAYS ON —
Continued