Master Warning Light Malfunction

Master Warning Light Malfunction

DESCRIPTION
If the steering control ECU detects that VGRS system has a malfunction, warning information is transmitted to the combination meter via CAN and BEAN.

The combination meter will turn the master warning light on based on this information.

Warning information is transmitted via the following route:
^ Steering control ECU -> (CAN) -> Power steering ECU -> (CAN) -> Gateway ECU -> (BEAN) -> Combination meter

Connecting terminals TC and CG of the DLC3 makes the master warning light blink and outputs DTCs.

WIRING DIAGRAM (Part 1):

WIRING DIAGRAM (Part 2):

WIRING DIAGRAM (Part 3):

WIRING DIAGRAM (Part 4):

INSPECTION PROCEDURE

HINT:
Check that there is no problem in CAN and BEAN communications before performing the following procedure.
If there is any problem in these communications, first troubleshoot it and then proceed.

Step 1(Part 1):

Steps 1(Part 2)-4: