DTC 96

DTC 96: Right Hand Side-airbag Module (Squib) System Fault 6 for Communication System

Side Impact Sensor (RH) Circuit Part 1:

Side Impact Sensor (RH) Circuit Part 2:

CIRCUIT OPERATION
- The SRS-ECU judges how severe a by detecting signals from the left and right side impact sensors and the analog G-sensor. If the impact is over a predetermined level, the SRS-ECU outputs an ignition signal. At this time, if the safing G-sensor is on, the SRS air bag will inflate.

DTC SET CONDITIONS
- These DTC are set if communication between the side impact sensor (RH) and the SRS-ECU is not possible or faulty.

TROUBLESHOOTING HINTS
- Damaged wiring harnesses or connectors
- Malfunction of the side impact sensor (RH)
- Malfunction of the SRS-ECU

DIAGNOSIS

Required Special Tools:
- MB991958: Scan Tool (MUT-III Sub Assembly)
- MB991824: Vehicle Communication Interface
- MB991827: MUT-III USB Cable
- MB991911: MUT-III Main Harness B

STEP 1. Check the side impact sensor (Using scan tool MB991958, read the diagnostic trouble code).

1. Disconnect the negative battery terminal.
2. Replace the side impact sensor (RH) with the side impact sensor (LH).
3. Connect the negative battery terminal.
4. Erase DTC memory, and then recheck the DTC.

Q: Is any of DTC 79 or 93 erased and DTC 79 or 93 out put?

YES: Replace the side impact sensor (RH) with a new one. Then go to Step 3.

NO: Go to Step 2.







STEP 2. Check the harness wires between SRS-ECU connector C-74 (terminal No.40 and 42) and side impact sensor (RH) connector D-02 (terminal No.1 and 2).

Q: Are the harness wires between SRS-ECU connector C-74 (terminal No.40 and 42) and side impact sensor (RH) connector D-02 (terminal No.1 and 2) in good condition?

YES: Erase the DTC memory, and recheck if any DTC sets. If DTC 89 or 96 sets, replace the SRS-ECU. Then go to Step 3.

NO: Repair the harness wires between SRS-ECU connector C-74 and side impact sensor (RH) connector D-02. Then go to Step 3.

STEP 3. Recheck for diagnostic trouble code.

Q: Is any of DTC 89 or 96 output?

YES: Replace the SRS-ECU.

NO: The procedure is complete (If no malfunctions are found in all steps, an intermittent malfunction is suspected. Refer to How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction).