VARIABLE GEAR RATIO STEERING SYSTEM, Diagnostic DTC:C15C9/76

DTC Code	DTC Name
C15C9/76	DRS System Malfunction

DESCRIPTION

When the VGRS ECU (front steering control ECU) detects a problem with the DRS ECU (rear steering control ECU) via CAN communication, a DTC is stored.

DTC No.	Detection Item	DTC Detection Condition	Trouble Area	Warning Indicate	Return-to-normal Condition
C15C9/76	DRS System Malfunction	Both conditions are met for approximately 3 seconds or more: The engine switch is on (IG). Information regarding a DRS ECU internal malfunction is received via CAN communication.	DRS ECU (rear steering control ECU)	Comes on	Engine switch on (IG) again

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Warning Indicate

Return-to-normal Condition

C15C9/76

DRS System Malfunction

Both conditions are met for approximately 3 seconds or more:

The engine switch is on (IG).
Information regarding a DRS ECU internal malfunction is received via CAN communication.

DRS ECU (rear steering control ECU)

Comes on

Engine switch on (IG) again

CAUTION / NOTICE / HINT

Note

When replacing the DRS ECU (rear steering control ECU), perform neutral position memorization and motor rotation angle sensor calibration.

PROCEDURE

CHECK FOR DTC (DYNAMIC REAR STEERING SYSTEM)

Check for DTCs in the dynamic rear steering system.

Chassis > DRS > Trouble Codes

Result

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