How to Proceed With Troubleshooting

FA20 BATTERY / CHARGING: CHARGING SYSTEM: HOW TO PROCEED WITH TROUBLESHOOTING; 2013 MY FR-S [03/2012 -]

HINT
*: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP

NEXT -- Continue to next step.

2. CUSTOMER PROBLEM ANALYSIS

HINT
* In troubleshooting, confirm that the problem symptoms have been accurately identified. Preconceptions should be discarded in order to make an accurate judgment. To clearly understand what the problem symptoms are, it is extremely important to ask the customer about the problem and the conditions at the time the malfunction occurred.
* Gather as much information as possible for reference. Past problems that seem unrelated may also help in some cases.

* The following 5 items are important points in the problem analysis:





NEXT -- Continue to next step.

3. INSPECT BATTERY VOLTAGE

Standard voltage:

11 to 14 V

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

NEXT -- Continue to next step.

4. INSPECT COMMUNICATION FUNCTION OF CAN COMMUNICATION SYSTEM*

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

Result





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

5. CHECK FOR DTC*

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

Result





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

6. REFER TO PROBLEM SYMPTOMS TABLE

HINT
Refer to Problem Symptoms Table Symptom Related Diagnostic Procedures.

Result





B -- GO TO STEP 10
A -- Continue to next step.

7. OVERALL ANALYSIS AND TROUBLESHOOTING*

HINT
Refer to Data List / Active Test Scan Tool Testing and Procedures.

Result





B -- GO TO STEP 10
A -- Continue to next step.

8. CHECK ECU CIRCUIT

HINT
Refer to Terminals of ECU Pinout Values and Diagnostic Parameters.

NG -- GO TO STEP 10
OK -- Continue to next step.

9. CHECK FOR INTERMITTENT PROBLEMS

HINT
Refer to Symptom Simulation .

NEXT -- Continue to next step.

10. CONDUCT PARTS INSPECTION

NEXT -- Continue to next step.

11. IDENTIFY PROBLEM

NEXT -- Continue to next step.

12. ADJUST AND/OR REPAIR

NEXT -- Continue to next step.

13. CONDUCT CONFIRMATION TEST

NEXT -- END