Matrix FWD L4-1.8L (2ZR-FE) (2010)
Transfer Case: Component Tests and General Diagnostics
MF1A TRANSFER / 4WD / AWD: ACTIVE TORQUE CONTROL 4WD SYSTEM: TC and CG Terminal Circuit
- TC and CG Terminal Circuit
DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the 4WD control ECU to display 2-digit DTCs by flashing the 4WD warning light.
HINT
When each warning light stays blinking, a ground short in the wiring of terminal TC of the DLC3 or an internal ground short in each
ECU is suspected.
WIRING DIAGRAM
INSPECTION PROCEDURE
HINT
Check the condition of each related circuit connector before troubleshooting See: Automatic Transmission/Transaxle/Shift
Interlock/Diagrams/Diagnostic Aids/How To Troubleshoot ECU Controlled Systems/Electronic Circuit Inspection Procedure.
PROCEDURE
1. CHECK CAN COMMUNICATION SYSTEM
(a) Check if the CAN communication DTC is output .
Result:
B -- INSPECT CAN COMMUNICATION SYSTEM See: Powertrain Management/Computers and Control Systems/Information
Bus/Testing and Inspection/Initial Inspection and Diagnostic Overview