Reading and Clearing Diagnostic Trouble Codes

1. Turn off ignition switch.
2. Connect "CONSULT" to data link connector for Consult.





3. Turn on ignition switch.
4. Turn on ASCD main switch.
5. Touch START (on CONSULT display).
6. Touch ASCD.
7. Touch SELF-DIAG RESULTS.





^ Self-diagnostic results are shown on display.
Refer to table on the next page.





8. Touch "DATA MONITOR".





^ Touch START.
^ Data monitor results are shown on display.
Refer to table on next page.





Self-Diagnostic Results





Data Monitor





Symptom Chart

*1: It indicates that System is in fail-safe. After completing diagnostic procedures, perform "Fail-safe System Check" to verify repairs.
*2: If vehicle speed is greater than 48 km/h (30 mph) after system has been released, pressing RESUME/ACCEL switch returns vehicle speed to the set speed previously achieved. However, doing so when the ASCD main switch is turned to "OFF", vehicle speed will not return to the set speed since the memory is canceled.





Diagnostic Procedure 1 (Power Supply and Ground Circuit Check)





Diagnostic Procedure 2 (ASCD Main Switch Check)





Diagnostic Procedure 3 (ASCD Hold Relay Circuit Check)





Diagnostic Procedure 4 (ASCD Brake/Stop Lamp Switch Check)





Diagnostic Procedure 5 (ASCD Steering Switch Check)





Diagnostic Procedure 6 (Vehicle Speed Sensor Check)





Diagnostic Procedure 7 (ASCD Pump Circuit Check)





Diagnostic Procedure 8 (ASCD Actuator/Pump Check)