Ignition Switch Key Light/Ceiling Light & Buzzer Circuit Test
WARNING: This page is about a different car, the 1998 Honda Prelude. However, it is still accessible from the selected car via links, so may be relevant.
Check continuity between diagnostic connector terminal No. 1 (Black wire) and body ground. Check continuity between driver's multiplex control unit terminal B13 (Light Blue wire) and diagnostic connector terminal No. 2 (Light Blue wire). See WIRING DIAGRAMS . If continuity exists, go to next step. If continuity does not exist, repair open in affected circuit. After repairs, recheck for DTCs.
DTC DIAGNOSIS
| DTC | Probable Cause | ||||
|---|---|---|---|---|---|
| 1 | (1) Door-To-Driver's Multiplex Control Unit | ||||
| 1 | (2) Door Multiplex Control Unit Faulty | ||||
| 1 | (2) Driver's Multiplex Control Unit Faulty | ||||
| 2 | (1) Driver's-To-Passengers Multiplex Control Unit | ||||
| 2 | (2) Driver's Multiplex Control Unit Faulty | ||||
| 2 | (2) Passenger's Multiplex Control Unit Faulty | ||||
| 3 | (1) Passenger's-To-Driver's Multiplex Control Unit | ||||
| 3 | (2) Passenger's Multiplex Control Unit Faulty | ||||
| 3 | (2) Driver's Multiplex Control Unit Faulty | ||||
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