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SRS AIR BAG DIAGNOSIS TSB Revision SUPPLEMENTAL RESTRAINT SYSTEM (SRS) 52B-23 TROUBLESHOOTING HINTS • Malfunction of the clock spring • Damaged wiring harnesses or connectors • Malfunction of the driver's side air bag module • Malfunction of the SRS-ECU DIAGNOSIS Required Special Tools: • MB991502: Scan Tool (MUT-II) • MB991613: SRS Check Harness STEP 1. Check the clock spring connector C-81 clock spring connector C-81.At this time, check that there is Q: Are connectors correctly connected? YES : Go to Step 2. gap at place B shown in the illustration. Then go to CODE NO. SYMPTOMS 21 • Short circuit in driver's side air bag module (squib) or harness • Short circuit in clock spring 22 • Open circuit in driver's side air bag module (squib) or harness • Open circuit in clock spring • Malfunction of connector contact 61 • Short circuit in driver's side air bag module (squib) harness leading to the power 62 • Short circuit in driver's side air bag module (squib) harness leading to the ground AC002016AD A A B SECTION A – A NO GOOD GOOD INFLATOR CACE CLOCK SPRING |