How to Proceed With Troubleshooting

CRUISE CONTROL: CRUISE CONTROL SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2013 MY FR-S [03/2012 -]

HINT
* Use the following procedure to troubleshoot the cruise control system.
* *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. INSPECT BATTERY VOLTAGE

(a) Measure the battery voltage with the ignition switch off.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, replace or recharge the battery before proceeding to the next step.

NEXT -- Continue to next step.

3. CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)*

(a) Use the Techstream to check if the CAN communication system is functioning normally.

Result:





B -- GO TO CAN COMMUNICATION SYSTEM How to Proceed With Troubleshooting
A -- Continue to next step.

4. CHECK FOR DTC*

Refer to DTC Check / Clear Reading and Clearing Diagnostic Trouble Codes.

(a) Check for DTCs and note any codes that are output.

(b) Clear the DTCs.

(c) Recheck for DTCs. Try to reproduce the DTCs by duplicating the conditions indicated by the DTCs.

Result:





B -- GO TO DTC CHART Cruise Control System
A -- Continue to next step.

5. ROAD TEST

(a) Perform the road test Road Test.

(b) Check that cruise control is not canceled by other than canceling operations by the driver.

Result:





B -- GO TO STEP 8
A -- Continue to next step.

6. CHECK "CANCEL CODE"*

HINT
The driver's history of canceling cruise control is also stored.

(a) Check "CANCEL CODE" Cancel Code.

Result:





B -- ADJUST, REPAIR OR REPLACE ACCORDING TO "CANCEL CODE"
A -- Continue to next step.

7. PROBLEM SYMPTOMS TABLE

Refer to Problem Symptoms Table Symptom Related Diagnostic Procedures.

Result:





B -- ADJUST, REPAIR OR REPLACE IN ACCORDANCE WITH PROBLEM SYMPTOMS TABLE
A -- Continue to next step.

8. OVERALL ANALYSIS AND TROUBLESHOOTING*

(a) Terminals of ECU Pinout Values and Diagnostic Parameters

(b) Data List / Active Test Data List / Active List

NEXT -- Continue to next step.

9. ADJUST, REPAIR OR REPLACE

NEXT -- Continue to next step.

10. CONFIRMATION TEST

NEXT -- END