Toyota CH-R Service Manual: Engine Control System Malfunction (C1201)

DESCRIPTION

If a malfunction in the SFI system is detected, the operation of VSC and TRAC is prohibited by the fail-safe function. When the signals from the engine are received normally, fail-safe control is canceled.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

C1201

Engine Control System Malfunction

Engine control system malfunction signal continues for 2.5 seconds.

SFI system

PROCEDURE

1.

CHECK SFI SYSTEM

(a) Check if SFI system DTCs are output.

w/o Canister Pump Module: Click here

w/ Canister Pump Module: Click here

Result

Proceed to

DTCs are not output.

A

DTCs are output.(w/o Canister Pump Module)

B

DTCs are output.(w/ Canister Pump Module)

C

HINT:

If troubleshooting has been carried out according to Problem Symptoms Table, refer back to the table and proceed to the next step before replacing parts.

Click here

A

REPLACE ECM

B

INSPECT SFI SYSTEM

C

INSPECT SFI SYSTEM

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