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TROUBLESHOOTING SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-196 CAUTION If diagnosis code B1570, B1571, B1572, B1573, OPERATION According to the passenger’s air bag cut off switch DIAGNOSIS CODE SET CONDITIONS Diagnosis code is set when the resistance between PROBABLE CAUSES • Malfunction of the passenger’s air bag cut off switch • Damaged wiring harnesses or connectors • Malfunction of the SRS-ECU DIAGNOSIS PROCEDURE STEP 1. MUT-III CAN bus diagnostics Q: Is the check result normal? YES : Go to Step 3. NO : Repair the CAN bus line (Refer to GROUP ). Then go to Step STEP 2. Check whether the diagnosis code is not reset. Q: Is the diagnosis code set? YES : Go to Step 3. NO : There is an intermittent malfunction such as ). Code No. Symptom B1570 Malfunction of passenger’s air bag cut off switch B1571 Malfunction of the Normal/Close terminal or short circuit in its harness B1572 Short to body earth in the Normal/Close terminal harness B1573 Short to the power supply in the Normal/Close terminal harness B1574 Malfunction of the Normal/Open terminal or short circuit in its harness B1575 Short to body earth in the Normal/Open terminal harness B1576 Short to the power supply in the Normal/Open terminal harness B1577 Malfunction of the COM terminal or short circuit in its harness B1578 Short to body earth in the COM terminal harness B1579 Short to the power supply in the COM terminal harness B1581 Detection of passenger’s air bag cut off switch misconecton |