Test Description
The number(s) below refer to the step number(s) on the diagnostic table.
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This step determines if the transfer case shift control module has electronic control of the Service Indicator.
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This step determines if there is an internal short to ground in the transfer case shift control module.
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This step determines if CKT 1567 is shorted to ground.
Step | Action | Value(s) | Yes | No |
|---|---|---|---|---|
1 | Was the Transfer Case Diagnostic System Check performed? | -- | Go to Step 2 | |
Does the Service Indicator turn Off? | -- | Go to Step 7 | Go to Step 3 | |
Disconnect both connectors at the transfer case shift control module. Does the Service Indicator turn Off? | -- | Go to Step 7 | Go to Step 4 | |
Is the resistance within the specified value? | OL | Go to Step 5 | Go to Step 6 | |
5 | Service Instrument Cluster for short to ground condition. Is the action complete? | -- | Go to Step 8 | -- |
6 | Repair a short to ground in CKT 1567. Refer to Wiring Repairs in Wiring Systems. Is the repair complete? | -- | Go to Step 8 | -- |
7 | Replace the transfer case shift control module. Refer to Transfer Case Shift Control Module Replacement . Is the action complete? | -- | Go to Step 8 | -- |
8 |
Have all the ATC components been reconnected and properly mounted? | -- | Go to Step 9 | -- |
9 | Clear all ATC DTCs. Have all the ATC DTCs been cleared? | -- | -- |
