Component Tests and General Diagnostics

INTEGRATED HOMELINK TRANSMITTER

Description

- Integrated homelink transmitter can store and transmit a maximum of 3 radio signals.
- Allows operation of garage doors, gates, home and office lighting, entry door locks and security system, etc.
- Integrated homelink transmitter power supply uses vehicle battery, which enables it to maintain every program in case battery is discharged or removed.


Component Function Check


1. CHECK FUNCTION

Check that system receiver (garage door opener, etc.) operates with original hand-held transmitter.
Is the inspection result normal?
YES- GO TO 2.
NO- Receiver or hand-held transmitter is malfunctioning.

2. CHECK ILLUMINATE

1.Turn ignition switch OFF.
2.Does red light of transmitter illuminate when any transmitter button is pressed?
Is the inspection result normal?
YES- GO TO 3.
NO- Refer to "Diagnosis Procedure" .

3. CHECK TRANSMITTER

Check transmitter using Tool*.
*:For details, refer to Technical Service Bulletin.
Is the inspection result normal?
YES- Receiver or hand-held transmitter malfunction, not vehicle related.
NO- Replace auto anti-dazzling inside mirror (integrated homelink transmitter). Refer to "Removal and Installation" Removal and Installation.


Diagnosis Procedure


1. CHECK POWER SUPPLY

1.Turn ignition switch OFF.
2.Disconnect auto anti-dazzling inside mirror (integrated homelink transmitter) connector.
3.Check voltage between auto anti-dazzling inside mirror (integrated homelink transmitter) harness connector and ground.





Is the inspection result normal?
YES- GO TO 2.
NO-1- Check 10A fuse [No. 6 located in the fuse block (J/B)].
NO-2- Harness for open or short between fuse and auto anti-dazzling inside mirror (integrated homelink transmitter).

2. CHECK GROUND CIRCUIT

Check continuity between auto anti-dazzling inside mirror (integrated homelink transmitter) harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness.

3. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END