C1213

DTC C1213 WHEEL SPEED FREQUENCY ERROR

COMPONENT LOCATION

Refer to DTC C1200. C1200

GENERAL DESCRIPTION

Refer to DTC C1200. C1200

DTC DESCRIPTION

The ABS ECU monitors the wheel speed sensor signal continuously. This code is set, if the speed difference with adjacent wheel is out of permissible range or the ABS control cycle is continued abnormally.

DTC: DETECTING CONDITION:

MONITOR SCANTOOL DATA

1. Engine "ON".
2. Connect scan tool to Data Link Connector(DLC).
3. Start and drive vehicle in gear and maintain vehicle speed at approximately 10 km/h or more(6 mph or more)
4. Monitor the "Wheel speed sensor" parameter on the scan tool.

Specification: Approximately 10 km/h or more (6 mph or more):

5. Is parameter displayed within specifications?

YES
^ Fault is intermittent caused by poor connection in wheel speed sensor harness and/or HECU's connector or was repaired and HECU memory was not cleared. Go to "Component Inspection" procedure.

NO
^ Check for improper installation of wheel speed sensor. If NG, repair as necessary and then go to "Verification of vehicle Repair" procedure.
^ Check for damage of rotor teeth or wheel bearing. If NG, repair as necessary and then go to "Verification of vehicle Repair" procedure.
^ Substitute with a known-good wheel speed sensor and check for proper operation. If problem is corrected, replace wheel speed sensor and then go to "Verification of Vehicle Repair" procedure.
^ If OK, Go to "Component Inspection" Procedure.

COMPONENT INSPECTION

1. Ignition "OFF".
2. Engine "ON".
3. Start and drive vehicle in gear and maintain vehicle speed at approximately 10 km/h or more(6 mph or more).
4. Does warning lamp remain On?

YES
^ Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to "Verification of Vehicle Repair" procedure.

NO
^ Fault is intermittent caused by open or short of wheel speed sensor harness, faulty wheel speed sensor. Go to the applicable troubleshooting procedure.

VERIFICATION OF VEHICLE REPAIR

Refer to DTC C1200. C1200