Last Modified: 11-29-2007 1.6 C
Service Category: Brake Section: Brake Control/Dynamic Control System
Model Year: 2008 Model: Sequoia Doc ID: RM000001K2300KX
Title: BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: DESCRIPTION (2008 Sequoia)

DTC

C1201/51

Engine Control System Malfunction

DESCRIPTION

If a malfunction in the engine control system is detected through the CAN, the operations of VSC and TRAC are prohibited by the fail-safe function. When the signals from the engine are input normally, the fail-safe is canceled and the DTC is stored.

DTC Code

DTC Detection Condition

Trouble Area

C1201/51

Engine control system malfunction signal continues for 1.2 seconds.

SFI system

INSPECTION PROCEDURE

NOTICE:

When replacing the VSC actuator assembly, perform zero point calibration BRAKE CONTROL / DYNAMIC CONTROL SYSTEMS: VEHICLE STABILITY CONTROL SYSTEM: CALIBRATION (2008 Sequoia) .

PROCEDURE

1.

CHECK DTC (FOR SFI SYSTEM)

(a) for 2UZ-FE:

Clear the DTC (SFI system) 2UZ-FE ENGINE CONTROL: SFI SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

for 3UR-FE:

Clear the DTC (SFI system) 3UR-FE ENGINE CONTROL: SFI SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

(b) for 2UZ-FE:

Check the DTC (SFI system) 2UZ-FE ENGINE CONTROL: SFI SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

for 3UR-FE:

Check the DTC (SFI system) 3UR-FE ENGINE CONTROL: SFI SYSTEM: DTC CHECK / CLEAR (2008 Sequoia) .

Result

Result

Proceed to

DTC (SFI system) is not output

A

DTC (SFI system) is output (for 2UZ-FE)

B

DTC (SFI system) is output (for 3UR-FE)

C
A