VEHICLE STABILITY CONTROL SYSTEM(for Hydraulic Brake Booster), Diagnostic DTC:C1201

DESCRIPTION

If a malfunction is detected in the engine control system, the ECM sends a malfunction signal to the skid control ECU. The skid control ECU stores this DTC and prohibits the following controls:

• VSC

• TRC

• Downhill assist control

• Crawl control

• Multi-terrain select control

PROCEDURE

1. CHECK ENGINE TYPE

   
   

   1. Check the engine type.

      Result

      Result	Proceed to
      1GR-FE	A
      1KD-FTV	B
      1GD-FTV	C

   
   

   B

   CHECK ENGINE CONTROL SYSTEM Click here

   C

   CHECK ENGINE CONTROL SYSTEM Click here

   A

2. CHECK ENGINE CONTROL SYSTEM

   
   

   1. Check if an engine control system DTC is output Click here.

      Result

      Result	Proceed to
      DTC is not output	A
      DTC is output	B

   
   

   A

   REPLACE ECM Click here

   B

   GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here

3. CHECK ENGINE CONTROL SYSTEM

   
   

   1. Check if an engine control system DTC is output Click here.

      Result

      Result	Proceed to
      DTC is not output	A
      DTC is output	B

   
   

   A

   REPLACE ECM Click here

   B

   GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here

4. CHECK ENGINE CONTROL SYSTEM

   
   

   1. Check if an engine control system DTC is output (for 1GD-FTV (w/ Urea SCR System): See page , for 1GD-FTV: Click here.

      Result

      Result	Proceed to
      DTC is not output	A
      DTC is output (for 1GD-FTV (w/ Urea SCR System))	B
      DTC is output (for 1GD-FTV)	C

   
   

   A

   REPLACE ECM Click here

   B

   GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here

   C

   GO TO ENGINE CONTROL SYSTEM (DIAGNOSTIC TROUBLE CODE CHART) Click here