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Symptom: *4WD INDICATOR INOPERATIVE POSSIBLE CAUSES INTERMITTENT CONDITION TRANSFER CASE SWITCH - EXCEPT OFF-ROAD PACKAGE 4WD INDICATOR CIRCUIT OPEN TRANSFER CASE SWITCH GROUND CIRCUIT OPEN - EXCEPT OFF-ROAD PACKAGE TRANSFER CASE SWITCH - OFF-ROAD PACKAGE TRANSFER CASE POSITION SENSOR INPUT CIRCUIT OPEN TRANSFER CASE SWITCH GROUND CIRCUIT OPEN - OFF-ROAD PACKAGE INSTRUMENT CLUSTER - EXCEPT OFF-ROAD PACKAGE INSTRUMENT CLUSTER - OFF-ROAD PACKAGE TEST ACTION APPLICABILITY 1 Is vehicle equipped with the optional Off-Road Package? All Yes → Go To 2 No → Go To 6 2 Perform the Instrument Cluster self-test. t. Did the 4WD indicator illuminate during the self-test? All Yes → Go To 3 No → Replace and configure the Instrument Cluster in accordance with the Service Information. 3 Turn the ignition on, Transfer Case Shift Lever in 2H. t in Inputs/Outputs, read the 4WD Switch state. Place the Transfer Case Shift Lever in 4H or 4L while observing the 4WD Switch t display 4H or 4L? All Yes → The condition is not present at this time. Monitor DRBIIIt parameters while wiggling the related wire harness. Refer to any No → Go To 4 141 INSTRUMENT CLUSTER |