WARNING LAMP AND SENDER UNIT

T-42prose procedure

Seat Belt Warning Lamp

NOTE

The seat belt warning lamp is controlled by the timer and buzzer unit.

IMPORTANT

Symptom: Seat belt warning lamp remains on six seconds after ignition switch turned ON. (Timer function does not operate.)

1
Disconnect the timer and buzzer unit connector.
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2
Turn the ignition switch ON, and verify that the seat belt warning lamp illuminates.

Warning lamp illuminates	Action
No	Replace timer and buzzer unit
Yes	Repair wiring harness (Instrument cluster — timer and buzzer unit)

ActionReplace timer and buzzer unit

Yes

ActionRepair wiring harness (Instrument cluster — timer and buzzer unit)

IMPORTANT

Symptom: Seat belt warning lamp does not illuminate when ignition switch first turned ON.

1
Ground terminal J of the timer and buzzer unit connector.
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2
Turn the ignition switch ON, and verify that the seat belt warning lamp illuminates.

Warning lamp illuminates	Action
No	Go to Step 2
Yes	Repair wiring harness (Timer and buzzer unit—body ground)

ActionGo to Step 2

Yes

ActionRepair wiring harness (Timer and buzzer unit—body ground)

1
Ground terminal D of the timer and buzzer unit connector.
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2
Turn the ignition switch ON, and verify that the seat belt warning lamp illuminates.

Warning lamp illuminates	Action
Yes	Replace timer and buzzer unit
No	Check bulb of seat belt warning lamp If bulb is OK, repair wiring harness (Instrument cluster—timer and buzzer unit)

Yes

ActionReplace timer and buzzer unit

ActionCheck bulb of seat belt warning lamp If bulb is OK, repair wiring harness (Instrument cluster—timer and buzzer unit)