Toyota Venza manuals

Toyota Venza: Engine Control System Malfunction (C1201/51)

DESCRIPTION

If a malfunction in the engine control system is detected, 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 cancelled and the DTC is not stored.

DTC Code

DTC Detection Condition

Trouble Area

C1201/51

Engine control system malfunction signal continues for 5 seconds.

Engine control system

PROCEDURE

1.

CHECK ENGINE CONTROL SYSTEM

(a) Check if the engine control system DTC is output (See page for 2GR-FE, or
for 1AR-FE).


Result

Proceed to

DTC is not output (for 2GR-FE)

A

DTC is not output (for 1AR-FE)

B

DTC is output (for 2GR-FE)

C

DTC is output (for 1AR-FE)

D


A

REPLACE ECM (for 2GR-FE)


B

REPLACE ECM (for 1AR-FE)


C

INSPECT ENGINE CONTROL SYSTEM (for 2GR-FE)


D

INSPECT ENGINE CONTROL SYSTEM (for 1AR-FE)

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