Antilock Brakes / Traction Control Systems

Inspection 14: CAN Communication Circuit
DTC U1000, C1156
INSPECTION PROCEDURE
1. CHECK CONNECTOR
1. Turn ignition switch OFF, disconnect the ABS actuator and electric unit (control unit) connector, and check the terminal for deformation, disconnection, looseness, and so on. If there is a malfunction, repair or replace the terminal.
2. Reconnect connector to perform self-diagnosis. Displaying & Reading Trouble Codes
Is "CAN COMM CIRCUIT" or "ST ANG SEN COM CIR" displayed in the self-diagnosis display items?
YES >>Print out the self-diagnostic results, and refer to, "Precautions When Using CONSULT-II" Precautions When Using CONSULT-II
NO >>Connector terminal connection is loose, damaged, open, or shorted.

Component Inspection
VDC OFF SWITCH





^ Turn ignition switch OFF and disconnect VDC OFF switch connector, and check continuity between VDC OFF switch connector M32 terminals 1 and 2.
1 -2 :
Continuity should exist when pushing switch.
Continuity should not exist when releasing switch.