C1156

Inspection 14: CAN Communication System
DTC U1000, C1156

INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector E56 and steering angle sensor connector M14. Check terminal for deformation, disconnection, looseness, and so on. If any malfunction is found, repair or replace terminal.
2. Securely reconnect connectors and perform self-diagnosis.

Is "CAN COMM CIRCUIT" or "ST ANG SEN COM CIR" displayed in the self-diagnosis display items?
YES >> Print out self-diagnostic results and go to 2.
NO >> Connector terminal connection is loose, damaged, open or shorted.

2. CHECK CAN COMMUNICATION SYSTEM
Check data monitor item "CAN Diagnosis Support Monitor".





Note 1: ICC model is OK.
Note 2: AWD model is OK.

>> After printing out the monitor items, go to CAN system.