Toyota 4Runner manuals

Toyota 4Runner: Front Speed Sensor RH Output Malfunction (C1413,C1275,C1276,C1414)

DESCRIPTION

Refer to DTCs C1401 and C1402 (See page ).


DTC Code

DTC Detection Condition

Trouble Area

C1413

C1414

One of the following condition is met:

  1. An open in the sensor signal circuit of a malfunctioning area occurs 255 times or more.
  2. At a vehicle speed of 20 km/h (12 mph) or more, noise occurs in the sensor signals of a malfunctioning wheel 75 times or more within 5 seconds.
  3. At a vehicle speed of 10 km/h (6 mph) or more, noise occurs once per rotor rotation for 15 seconds or more.
  • Front speed sensor RH/LH
  • Skid control sensor wire
  • Speed sensor circuit
  • Speed sensor rotor
  • Master cylinder solenoid (Skid control ECU)

C1275

C1276

Stored only during test mode.

  • Front speed sensor RH/LH
  • Speed sensor rotor

HINT:

  • DTCs C1413 and C1275 are for the front speed sensor RH.
  • DTCs C1414 and C1276 are for the front speed sensor LH.

WIRING DIAGRAM

Refer to DTCs C1405 and C1406 (See page ).


CAUTION / NOTICE / HINT

NOTICE:

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

  • Check the speed sensor signal after cleaning or replacement (See page ).

PROCEDURE

1.

CHECK HARNESS AND CONNECTOR (MOMENTARY INTERRUPTION)

See page



NG

GO TO STEP 9

OK

2.

READ VALUE USING TECHSTREAM (FRONT SPEED SENSOR)

See page



NG

GO TO STEP 5

OK

3.

PERFORM TEST MODE (SIGNAL CHECK)

(a) Perform the signal check in the Test Mode Procedure (See page ).


OK:

All test mode DTCs are cleared.


NG

GO TO STEP 5

OK

4.

RECONFIRM DTC

(a) Clear the DTCs (See page ).


(b) Turn the ignition switch off.

(c) Start the engine.

(d) Drive the vehicle at a speed of 40 km/h (25 mph) or more for at least 60 seconds.

(e) Check if the same DTC is output (See page
).

Result

Result

Proceed to

DTCs C1413 and C1414 are not output

A

DTCs C1413 and/or C1414 are output

B


A

USE SIMULATION METHOD TO CHECK


B

GO TO STEP 12

5.

CHECK FRONT SPEED SENSOR INSTALLATION

See page



NG

INSTALL FRONT SPEED SENSOR CORRECTLY

OK

6.

INSPECT FRONT SPEED SENSOR TIP

See page



NG

CLEAN OR REPLACE FRONT SPEED SENSOR

OK

7.

INSPECT FRONT SPEED SENSOR ROTOR

See page



NG

CLEAN OR REPLACE FRONT SPEED SENSOR ROTOR

OK

8.

INSPECT SKID CONTROL SENSOR WIRE

See page



NG

REPLACE SKID CONTROL SENSOR WIRE

OK

9.

CHECK HARNESS AND CONNECTOR (SKID CONTROL ECU - FRONT SPEED SENSOR)

See page



NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

OK

10.

CHECK TERMINAL VOLTAGE (FR+, FL+)

See page



NG

REPLACE MASTER CYLINDER SOLENOID

OK

11.

RECONFIRM DTC

(a) Clear the DTCs (See page ).


(b) Turn the ignition switch off.

(c) Start the engine.

(d) Drive the vehicle at a speed of 40 km/h (25 mph) or more for at least 60 seconds.

(e) Check if the same DTC is output (See page
).

Result

Result

Proceed to

DTCs C1413 and C1414 are not output

A

DTCs C1413 and/or C1414 are output

B


A

USE SIMULATION METHOD TO CHECK

B

12.

REPLACE FRONT SPEED SENSOR

See page


NEXT

13.

RECONFIRM DTC

(a) Clear the DTCs (See page ).


(b) Turn the ignition switch off.

(c) Start the engine.

(d) Drive the vehicle at a speed of 40 km/h (25 mph) or more for at least 60 seconds.

(e) Check if the same DTC is output (See page
).

Result

Result

Proceed to

DTCs C1413 and C1414 are not output

A

DTCs C1413 and/or C1414 are output (for 2WD)

B

DTCs C1413 and/or C1414 are output (for 4WD)

C


A

END


B

REPLACE FRONT AXLE WITH ABS ROTOR BEARING ASSEMBLY


C

REPLACE FRONT AXLE WITH ABS ROTOR BEARING ASSEMBLY

Rear Speed Sensor RH Performance (C1411,C1412)
DESCRIPTION Refer to DTCs C1401 and C1402 (See page ). DTC Code DTC Detection Condition Trouble Area C1411 C1412 One of the following ...

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/TR ...

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Instrument Panel Speaker
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Front Speed Sensor
Components COMPONENTS ILLUSTRATION Removal REMOVAL CAUTION / NOTICE / HINT HINT: The procedure listed below is for the LH side. Other than areas where instructions are provided, use the same procedures for the RH and LH sides. ...

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