Diagnosis Procedure
1.CHECK CONNECTOR
2.CHECK HARNESS FOR OPEN CIRCUIT
Check the resistance between the data link connector terminals.

BCM branch line circuit
M&A branch line circuitP1211 TCS control unit
Description
The malfunction information related to TCS is transferred via the CAN
communication line from "ABS actuator
and electric unit (control unit)" to ECM.
Be sure to erase the malfunction information such as DTC not only for "ABS
actuator and electric unit
(control unit)" but also ...
BCM (body control module)
Reference Value
NOTE:
The Signal Tech II Tool (J-50190) can be used
to perform the following functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS
transmitter IDs
Display tire pressure reported by
the TPMS transmitter
...
Front fog lamp
System Diagram
System Description
BCM (Body Control Module) controls front fog lamp operation.
IPDM E/R (Intelligent Power Distribution Module Engine Room)
operates front fog lamp according to CAN communication signals from BCM.
Combination meter operates front fog lamp indicator accor ...