Toyota 4Runner manuals

Toyota 4Runner: High Power Supply Voltage Malfunction (C1417)

DESCRIPTION

If a malfunction is detected in the power supply circuit, the skid control ECU (housed in the master cylinder solenoid) stores this DTC and the fail-safe function prohibits ABS/VSC/TRAC operation.

This DTC is stored when the IG1 terminal voltage deviates from the DTC detection condition due to a malfunction in the power supply or charging circuit such as the battery or generator circuit, etc.

This DTC is cleared when the IG1 terminal voltage returns to normal.

DTC Code

DTC Detection Condition

Trouble Area

C1417

The IG1 terminal voltage is 17.4 V or higher for 0.8 seconds or more.

  • Charging system
  • Power source circuit
  • Internal power supply circuit of the skid control ECU

WIRING DIAGRAM

Refer to DTC C1241 (See page ).


CAUTION / NOTICE / HINT

NOTICE:

When replacing the master cylinder solenoid, perform calibration (See page ).


PROCEDURE

1.

CHECK TERMINAL VOLTAGE (IG1)



NG

GO TO CHARGING SYSTEM (ON-VEHICLE INSPECTION)

OK

2.

RECONFIRM DTC

(a) Clear the DTCs (See page ).


(b) Turn the ignition switch off.

(c) Check for DTCs (see page ).


Result

Result

Proceed to

DTC is output

A

DTC is not output

B


A

REPLACE MASTER CYLINDER SOLENOID


B

USE SIMULATION METHOD TO CHECK

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