Basic Diagnostic Procedure

Diagnostics Chart for On-board Diagnosis System

BASIC DIAGNOSTIC PROCEDURE

6A1: CHECK CRUISE CONTROL MAIN SWITCH.

1. Trouble occurs.
2. Perform pre-inspection.
3. Check cruise control main switch.

CHECK: Does cruise control main switch turn ON?

YES: Go to step 6A2.

NO: Go to "Diagnostics Chart for Power Line".

6A2: CHECK CRUISE SPEED IS SET.

CHECK: Does cruise speed properly set while driving at minimum of 40 km/h (25 MPH)?

YES: Go to step 6A3.

NO: Go to "Diagnostics Chart with Trouble Code".

6A3: CHECK CRUISE CONTROL IS RELEASED.

CHECK: Does cruise control properly release during operation?

YES: Go to step 6A4.

NO: Go to "Diagnostics Chart with Trouble Code".

6A4: CHECK CRUISE SPEED IS HELD WITHIN SET SPEED.

CHECK: Does cruise speed hold within set speed ± 3 km/h (2 MPH)?

YES: Go to step 6A5.

NO: Go to pre-inspection of actuator, vacuum pump and valve.

6A5: CHECK RESUME/ACCEL SWITCH.

CHECK: Does RESUME/ACCEL switch function properly?

YES: Go to step 6A6.

NO: Go to "Diagnostics Chart with Trouble Code".

6A6: CHECK SET/COAST SWITCH.

CHECK: Does SET/COAST switch function properly?

YES: Go to step 6A7.

NO: Go to "Diagnostics Chart with Trouble Code".

6A7: CHECK CANCEL SWITCH.

CHECK: Does CANCEL switch function properly?

YES: Go to step 6A8.

NO: Go to "Diagnostics Chart with Trouble Code".

6A8: CHECK CRUISE SPEED IS RELEASED.

CHECK: Does cruise speed release when brake pedal is depressed?

YES: Go to step 6A9.

NO: Go to "Diagnostics Chart with Trouble Code".

6A9: CHECK CRUISE SPEED IS RELEASED.

CHECK: Does cruise speed release when clutch pedal is depressed (MT) or when selector lever is set to N (AT)?

YES: Cruise control system is in correct order.

NO: Go to "Diagnostics Chart with Trouble Code".