Home Suspension Suspension Control System SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL SUSPENSION
Last Modified: 11-27-2007 1.6 C
Service Category: Suspension Section: Suspension Control System
Model Year: 2008 Model: LX570 Doc ID: RM000001CTN008X
Title: SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL SUSPENSION: DESCRIPTION (2008 LX570)

DTC

C1785

Steering Control ECU Communication Error

DESCRIPTION

The suspension control ECU receives signals from the steering control ECU via CAN communication.

DTC Code

Detection Condition

Trouble Area

C1785

While the engine switch is on (IG), the steering control ECU malfunction signal is received for 5 seconds.

  • Variable gear ratio steering system (VGRS system)
  • Suspension control ECU

INSPECTION PROCEDURE

PROCEDURE

1.

CHECK DTC (VARIABLE GEAR RATIO STEERING SYSTEM)

(a) Check if a DTC is output from the variable gear ratio steering system VARIABLE GEAR RATIO STEERING: VARIABLE GEAR RATIO STEERING SYSTEM: DTC CHECK / CLEAR (2008 LX570) .

Result

Result

Proceed to

DTC is not output

A

DTC is output

B

A

2.

CLEAR DTC

(a) Clear the DTCs SUSPENSION CONTROL: ACTIVE HEIGHT CONTROL SUSPENSION: DTC CHECK / CLEAR (2008 LX570) .

NEXT

3.

CHECK DTC

(a) Check for DTCs.

Result

Result

Proceed to

DTC C1785 is output

A

DTC C1785 is not output

B

A