B22BB

POWER SOURCE / WIRING: ELECTRIC POWER CONTROL SYSTEM: B22BB: Communication Error with Brake System Control Module (Vehicle Speed Data)
B22BB - Communication Error with Brake System Control Module (Vehicle Speed Data)

DESCRIPTION

The electric power control ECU receives vehicle speed signals from the skid control ECU via CAN communication.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTC (CAN COMMUNICATION SYSTEM)

(a) Check for DTCs related to the CAN communication system Diagnosis System.

OK:

DTC is not output.

NG -- GO TO CAN COMMUNICATION SYSTEM CAN Communication System
OK -- Continue to next step.

2. CHECK FOR DTC

(a) Delete the DTC Reading and Clearing Diagnostic Trouble Codes.

(b) Check for the DTC again Reading and Clearing Diagnostic Trouble Codes.

OK:

DTC is not output.

NG -- REPLACE SKID CONTROL ECU ASSEMBLY Removal

OK -- END