Inspection Procedure 5

INSPECTION PROCEDURE 5: The TCL system does not operate.

TECHNICAL DESCRIPTION (COMMENT)
The cause depends on driving and road surface conditions, so diagnosis may be difficult. However, if no diagnostic trouble code is displayed, carry out the following inspection.

TROUBLESHOOTING HINTS
Malfunction of the hydraulic unit.

DIAGNOSIS
Check the hydraulic unit.
- If the hydraulic unit (integrated with ABS-ECU) is malfunctioning, replace it. Then check that the malfunction symptom is eliminated.





DATA LIST REFERENCE TABLE
The following items can be read by the scan tool from the ABS-ECU input data.





ACTUATOR TEST REFERENCE TABLE
The scan tool activates the following actuators for testing.

NOTE: If the ABS-ECU is inoperative, actuator testing cannot be carried out.

NOTE: Actuator testing is only possible when the vehicle is stationary. If the vehicle speed during actuator testing exceeds 10 km/h (6 mph), forced actuation will be canceled.





ACTUATOR TEST SPECIFICATIONS