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Home >> Acura >> 2001 >> 3.2CL Base >> Repair and Diagnosis (Single Page) >> Restraints >> Air Bag, SRS >> Air Bag Restraint Systems >> Diagnostics >> Initializing Occupant Position Detection System (OPDS) Unit

Initializing Occupant Position Detection System (OPDS) Unit

NOTE: Avoid using jumper wire in place of SCS short connector. Jumper wire may be difficult to connect and disconnect quickly enough.
  1. Turn ignition off. Connect Honda PGM Tester to 16-pin data link connector and follow tester prompts in "SCS" menu. See Figure. Connect SCS Service Connector (07PAZ-0010100) to Memory Erase Signal (MES) connector. See Figure.
  2. Turn ignition on. SRS indicator light will come on for about 6 seconds then go off.
  3. Disconnect SCS service connector from MES connector within 4 seconds after SRS indicator light goes off. SRS indicator light will come on again.
  4. Reconnect SCS service connector to MES connector within 4 seconds after SRS indicator light comes on. SRS indicator light will go off.
  5. Disconnect SCS service connector from MES connector within 4 seconds. SRS indicator light will indicate that OPDS unit is initialized by blinking 2 times. If light doesn't blink and stays on, repeat procedure. If light blinks 2 times and stays on, read DTC and proceed with troubleshooting. Turn ignition off, and wait 10 seconds.
DIAGNOSTIC TROUBLE CODES (DTCS)

Trouble Code Possible Cause
SRS indicator light does not come on Faulty SRS indicator light circuit
SRS indicator light stays on Faulty SRS indicator light circuit
SRS indicator light comes on for bulb check, goes off then comes back on after self-diagnosis, but no DTCs are stored Faulty SRS indicator light circuit
1-1  Open in driver-side air bag inflator
1-2  Increased resistance in driver-side air bag inflator
1-3  Short to another wire or decreased resistance in driver-side air bag inflator
1-4  Short to power in driver-side air bag inflator
1-5  Short to ground in driver-side air bag inflator
2-1  Open in passenger-side air bag inflator
2-2  Increased resistance in passenger-side air bag inflator
2-3  Short to another wire or decreased resistance in passenger-side air bag inflator
2-4  Short to power in passenger-side air bag inflator
2-5  Short to ground in passenger-side air bag inflator
3-1  Open in driver-side seat belt tensioner
3-2  Increased resistance in driver-side seat belt tensioner
3-3  Short to another wire in driver-side seat Belt tensioner or decreased resistance
3-4  Short to power in driver-side seat belt tensioner
3-5  Short to ground in driver-side seat belt tensioner
4-1  Open in passenger-side seat belt tensioner
4-2  Increased resistance in passenger-side seat belt tensioner
4-3  Short to another wire in passenger-side seat Belt tensioner or decreased resistance
4-4  Short to power in passenger-side seat belt tensioner
4-5  Short to ground in passenger-side seat belt tensioner
5-1 Internal failure of SRS unit-replace
5-2 Internal failure of SRS unit-replace
5-4 Internal failure of SRS unit-replace
5-5 Internal failure of SRS unit-replace
5-8 Internal failure of SRS unit-replace
6-1 Internal failure of SRS unit-replace
6-2 Internal failure of SRS unit-replace
6-3 Internal failure of SRS unit-replace
6-4 Internal failure of SRS unit-replace
6-5 Internal failure of SRS unit-replace
6-6 Internal failure of SRS unit-replace
6-7 Internal failure of SRS unit-replace
6-8 Internal failure of SRS unit-replace
7-1 Internal failure of SRS unit-replace
7-2 Internal failure of SRS unit-replace
7-3 Internal failure of SRS unit-replace
8-1 Internal failure of SRS unit-replace
8-2 Internal failure of SRS unit-replace
8-5 Internal failure of SRS unit-replace
8-6 Internal failure of SRS unit-replace
8-7 Internal failure of SRS unit-replace
8-8 Internal failure of SRS unit-replace
9-1(1) Internal SRS unit failure
9-2(2) Internal SRS unit failure
9-3  Faulty driver-side seat belt switch
9-4  Faulty passenger-side seat belt switch
10-1 Driver & passenger-side air bag deployed-replace
10-2 Driver-side impact air bag deployed-replace
10-3 Driver & passenger-side air bags & driver side-impact Air bag deployed-replace
10-4 Passenger side-impact Air bag deployed-replace
10-5 Driver & passenger-side air bags & passenger side-impact Air bag deployed-replace
10-6 Driver & passenger side-impact Air bags deployed-replace
10-7 Driver & passenger-side air bags & driver & passenger side-impact air bags deployed-replace
11-1  Open in driver side-impact air bag inflator
11-2 Increased resistance in driver side-impact air bag inflator
11-3  Short to another wire or decreased resistance in driver side-impact air bag inflator
11-4  Short to power in driver Side-impact air bag inflator
11-5  Short to ground in driver Side-impact air bag inflator
12-1  Open in passenger side-impact air bag inflator
12-2  Increased resistance in passenger side-impact air bag inflator
12-3  Short to another wire or Decreased resistance in passenger side-impact air bag inflator
12-4  Short to power in passenger side-impact air bag inflator
12-5  Short to ground in passenger side-impact air bag inflator
13-1 & 13-2  Faulty driver side-impact sensor
13-3  Faulty SRS floor harness or driver side-impact sensor
13-4 Faulty power supply to driver Side-impact sensor-replace floor harness
13-5 Internal failure of SRS unit-replace
14-1 & 14-2  Faulty passenger side-impact sensor
14-3  Faulty SRS floor harness or passenger side-impact sensor
14-4 Faulty power supply to passenger side-impact sensor-replace floor harness
14-5 Internal failure of SRS unit-replace
15-1  Faulty OPDS unit
15-2  Faulty side air bag indicator light
15-3  Faulty OPDS sensor
(1) If intermittent, code could result from an internal failure of SRS unit or faulty indicator light circuit. See TROUBLESHOOTING INTERMITTENT FAILURES .
(2) If intermittent, code could result from an internal failure of power supply (VB line). See TROUBLESHOOTING INTERMITTENT FAILURES .
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