Operation CHARM: Car repair manuals for everyone.

General Information





Component Location





General Description

The Free-Running Differential (FRRD) uses an air pump that is actuated by the TCCM to control 4WD/2WD operation.

Air pump supply compressed air to FRRD and has a pressure switch inside air pump.
When compressed air is supplied to FRRD from air pump, power is transformed into front wheels by engagement of internal dog catcher.

DTC Description

TCCU sets DTC P1759 if TCCM detects Hub Solenoid Valve control circuit is open or short to ground.

DTC Detecting Condition





Specification





Diagnostic Circuit Diagram