Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSHONDA1991ACCORD DX, 2D COUPE, AUTOMATICREPAIR AND DIAGNOSIS (SINGLE PAGE)RESTRAINTSPASSIVE RESTRAINTSSEAT BELTS - AUTOMATICSYSTEM TESTINGCONTROL UNIT INPUT TESTCONTROL UNIT INPUT TEST NO. 15
1991 Honda Accord DX, 2D Coupe, Automatic
Control Unit Input Test No. 15
1991 Honda Accord DX, 2D Coupe, AutomaticSECTION Control Unit Input Test No. 15
NOTE:
With ignition switch ON, connect the 7-P and 22-P connectors to the control unit and perform test.
CONTROL UNIT INPUT TEST NO. 15
| Wire | Test Condition | Test: Desired result | Possible Cause,If result is not obtained |
|---|---|---|---|
| BLUE/ YELLOW or (RED/ GREEN) | Driver or passenger door opened | Check voltage to ground:Should be battery voltage | Short to ground, Faulty shoulder seatbelt retractor(solenoid) |
| BLUE/ YELLOW or (RED/ GREEN) | Driver or passenger door closed | Check voltage to ground:Should be less than 1V | Faulty Control Unit |
| BLUE/ RED(1) or (RED) | Driver or passenger door opened | Check voltage to ground:Should be approx. 5V or more | Short to ground, Faulty shoulder seatbelt retractor(sensor switch) Faulty CTRL UNIT |
| BLUE/ RED(1) or (RED) | Driver or passenger door closed | Check voltage to ground:Should be less than 1V | An open in the wire or Faulty Control Unit |
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.