CANADA: Headlight And Taillight System:
This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting. Refer to MULTIPLEX COMMUNICATION SYSTEM .
HINT:
To inspect the bulb and light control ECU, replace them with the ones working normally and judge whether they work normally or not.
CANADA HEADLIGHT AND TAILLIGHT SYSTEM PROBLEM SYMPTOM
| Symptom | Suspect Area | Action | ||
|---|---|---|---|---|
| "Automatic light control system" does not operate. | 1. Automatic Light Control Sensor | INSPECTION | ||
| 2. Light Control Switch | INSPECTION | |||
| 3. Door Courtesy Switch | INSPECTION | |||
| 4. Wire Harness | - | |||
| 5. Body No. 2 ECU | BODY ECU NO. 2 SYSTEM OPERATION CHECK | |||
| Auto turn-off system does not operate when the driver's door is opened. | 1. Drivers Door Courtesy Switch | INSPECTION | ||
| Auto turn-off system: | 1. Body ECU No. 2 | BODY ECU NO. 2 SYSTEM OPERATION CHECK | ||
| Headlight and taillight do not come on. | 2. Wire Harness | - | ||
| Auto turn-off system: | 1. Body ECU No. 2 | BODY ECU NO. 2 SYSTEM OPERATION CHECK | ||
| Headlight and taillight stay on. | 2. Wire Harness | - | ||
| Only one headlight comes on. | 1. Daytime Running Light No. 2, 3, 4 Relay | INSPECTION | ||
| 2. Daytime Running Light Main Relay | INSPECTION | |||
| 3. Bulb | - | |||
| 4. (1)Light Control ECU | - | |||
| 5. Wire Harness | - | |||
| "LO-Beam" does not light (All). | 1. Headlight Control Relay | INSPECTION | ||
| 2. (1)Light Control ECU | - | |||
| 3. Wire Harness | - | |||
| "LO-Beam" does not light (One side). | 1. Bulb | - | ||
| 2. H-LP L-LWR Fuse | POWER SOURCE | |||
| 3. H-LP R-LWR Fuse | POWER SOURCE | |||
| 4. (1)Light Control ECU | - | |||
| 5. Wire Harness | - | |||
| "Hl-Beam" does not light (All). | 1. Headlight Dimmer Switch | INSPECTION | ||
| 2. Daytime Running Light Main Relay | INSPECTION | |||
| 3. Wire Harness | - | |||
| "Hl-Beam" does not light (One side). | 1. Bulb | - | ||
| 2. H-LP L-UPR Fuse | POWER SOURCE | |||
| 3. H-LP R-UPR Fuse | POWER SOURCE | |||
| 4. Daytime Running Light No. 3 Relay | INSPECTION | |||
| 5. Wire Harness | - | |||
| "Flash" does not light. | 1. Headlight Dimmer Switch | INSPECTION | ||
| 2. Daytime Running Light Main Relay | INSPECTION | |||
| 3. Wire Harness | - | |||
| Headlight does not come on. | 1. Headlight Control Relay | INSPECTION | ||
| 2. Daytime Running Light Main Relay | INSPECTION | |||
| 3. Daytime Running Light No. 2, 3, 4 Relay | INSPECTION | |||
| 4. Headlight Dimmer Switch | INSPECTION | |||
| 5. Light Control Switch | INSPECTION | |||
| 6. Wire Harness | - | |||
| 7. (1)Light Control ECU | - | |||
| 8. Bulb | - | |||
| Headlight does not come on with light control switch in HEAD. | 1. Light Control Switch | INSPECTION | ||
| 2. (1)Light Control ECU | - | |||
| 3. Wire Harness | - | |||
| Headlight does not go out with light control switch in OFF. | 1. Headlight Control Relay | INSPECTION | ||
| 2. (1)Light Control ECU | - | |||
| 3. Wire Harness | - | |||
| Headlight flickers. | 1. Bulb | INSPECTION | ||
| 2. (1)Light Control ECU | - | |||
| 3. Wire Harness | - | |||
| Headlight is dark. | 1. Bulb | - | ||
| 2. (1)Light control ECU | - | |||
| 3. Wire Harness | - | |||
| Taillight does not come on with light control switch in TAIL. | 1. Taillight Control Relay (Instrument Panel J/B) | INSPECTION | ||
| 2. Light Control Switch | - | |||
| 3. Wire Harness | - | |||
| Taillight does not go out with light control switch in OFF. | 1. Taillight Control Relay | INSPECTION | ||
| 2. Light Control Switch | INSPECTION | |||
| 3. Wire Harness | - | |||
| Headlight does not come on with engine running and light control switch in OFF. | 1. ECU-B Fuse | POWER SOURCE | ||
| 2. GAUGE Fuse | POWER SOURCE | |||
| 3. Daytime Running Light Main Relay | INSPECTION | |||
| 4. Daytime Running Light No. 2, 3, 4 Relay | INSPECTION | |||
| 5. Generator L Terminal | BODY ECU NO. 2 SYSTEM OPERATION CHECK | |||
| 6. Parking Brake Switch | INSTRUMENT PANEL - TROUBLESHOOTING | |||
| 7. Wire Harness | - | |||
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