TEST
ACTION
APPLICABILITY
7
With the DRBIII
t, read TCM DTC’s.
Are DTC’s P1747 and P1749 present in addition to the P1745 DTC?
All
Yes
→
Repair the open or high resistance Transmission Case Ground.
Perform AW4 TRANS VERIFICATION TEST-VER1.
No
→
Go To
8
8
Turn ignition off to the lock position.
Remove the Transmission Oil Pan, refer to the Service Information.
Disconnect the Solenoid A harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Turn the ignition on.
Measure the voltage of the Solenoid A Control circuit in the Solenoid A connector.
Is there any voltage present?
All
Yes
→
Repair the Solenoid A Control circuit for a short to voltage.
Perform AW4 TRANS VERIFICATION TEST-VER1.
No
→
Go To
9
9
Turn ignition off to the lock position.
Remove the Transmission Oil Pan, refer to the service information.
Disconnect the Solenoid A harness connector.
NOTE: Check connectors - Clean/repair as necessary.
Measure the resistance of Solenoid A from the solenoid mounting bracket to the
solenoid wire terminal.
Is the resistance between 11.0 and 15.0 ohms?
All
Yes
→
Go To
10
No
→
Replace Solenoid A.
Perform AW4 TRANS VERIFICATION TEST-VER1.
10
If there are no possible causes remaining, view repair.
All
Repair
Replace the TCM.
Perform AW4 TRANS VERIFICATION TEST-VER1.
11
Using the when monitored / when set conditions, attempt to reset the DTC. If the
DTC can be reset return to the symptom list and perform the appropriate diagnostic
test.
Using the wiring diagram/schematic as a guide, inspect the wiring and connectors.
NOTE: Check the Technical Service Bulletins.
Were any problems found?
All
Yes
→
Repair the wiring and/or connectors as necessary.
Perform AW4 TRANS VERIFICATION TEST-VER1.
No
→
Test Complete.
53
TRANSMISSION
P1745 SOLENOID A SHORTED TO VOLTAGE OR OPEN —
Continued