How To Proceed With Troubleshooting

P112 HYBRID BATTERY CONTROL: HYBRID BATTERY SYSTEM:

HOW TO PROCEED WITH TROUBLESHOOTING

HINT: *: Use the Techstream.

1. VEHICLE BROUGHT TO WORKSHOP
NEXT -- Continue to next step.
2. CUSTOMER PROBLEM ANALYSIS
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3. CONNECT TECHSTREAM TO DLC3*

HINT: If the display indicates a communication fault in the tester, inspect the DLC3.

NEXT -- Continue to next step.
4. CHECK AND RECORD DTC AND FREEZE FRAME DATA*
(a) Refer to the the DTC CHECK / CLEAR (Hybrid Battery System).

HINT: If a DTC related to the CAN communication system malfunction is output, first troubleshoot and repair the CAN communication system (How to Proceed With Troubleshooting).

NEXT -- Continue to next step.
5. CLEAR DTC*
(a) Refer to the the DTC CHECK / CLEAR (Hybrid Battery System).
NEXT -- Continue to next step.
6. PROBLEM SYMPTOM CONFIRMATION
(a) When a malfunction does not occur, go to A.
(b) When a malfunction occurs, go to B.
B -- Go to step 8
A -- Continue to next step.
7. SYMPTOM SIMULATION
NEXT -- Continue to next step.
8. CHECK DTC*
(a) Refer to the the DTC CHECK / CLEAR (Hybrid Battery System).
NEXT -- Continue to next step.
9. DTC CHART
(a) Refer to the the DIAGNOSTIC TROUBLE CODE CHART (Hybrid Battery System).
NEXT -- Continue to next step.
10. CIRCUIT INSPECTION
NEXT -- Continue to next step.
11. IDENTIFICATION OF PROBLEM
NEXT -- Continue to next step.
12. ADJUSTMENT AND/OR REPAIR
NEXT -- Continue to next step.
13. CONFIRMATION TEST
NEXT -- END