The number(s) below refer to the step number(s) on the diagnostic table.
This step determines if the transfer case shift control module can electronically control the all indicator lamp circuits.
This step determines which indicator lamp the transfer case shift control module is correctly commanding on.
This step determines whether there is a short to ground in one of the indicator lamp control circuits.
Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
1 | Was the Transfer Case Diagnostic System Check performed? | -- | Go to Step 2 | |
Do all the lamps go off? | -- | Go to Step 3 | Go to Step 4 | |
3 | Replace the transfer case shift control module. Refer to Transfer Case Shift Control Module Replacement . Is the repair complete? | -- | Go to Step 9 | -- |
Is the resistance reading within the specified value? | OL | Go to Step 7 | Go to Step 5 | |
Is the resistance reading within the specified value? | OL | Go to Step 8 | Go to Step 6 | |
6 | Repair a short to ground condition. Refer to Wiring Repairs in Wiring Systems. Are the repairs complete? | -- | Go to Step 9 | -- |
7 | Replace the range/mode switch. Refer to Transfer Case Shift Control Switch Replacement . Is the action complete? | -- | Go to Step 9 | -- |
8 | Replace the transfer case shift control module. Refer to Transfer Case Shift Control Module Replacement . Is the action complete? | -- | Go to Step 9 | -- |
9 |
Have all the ATC components been reconnected and properly mounted? | -- | Go to Step 10 | -- |
10 | Clear all ATC DTCs. Have all ATC DTCs been cleared? | -- | -- |