(King Cab)

FRONT TWEETER

Diagnosis Procedure (King Cab)

Regarding Wiring Diagram information, King Cab.

1. CONNECTOR CHECK

Check the audio unit and speaker connectors for the following:
- Proper connection
- Damage
- Disconnected or loose terminals
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. SPEAKER HARNESS CHECK






1.Disconnect audio unit connector M64 and suspect speaker connector.
2.Check continuity between audio unit harness connector M64 (A)
and suspect speaker harness connector (B).





3.Check continuity between audio unit harness connector M64 (A)
and ground.





Are continuity test results as specified?
YES- GO TO 3
NO- Repair or replace harness or connector.

3. SPEAKER SIGNAL CHECK






1.Connect audio unit connector and suspect speaker connector.
2.Turn ignition switch ACC.
3.Push audio unit "POWER" switch.
4.Check the signal between audio unit harness connector M64
terminals with CONSULT or oscilloscope.





Are the audio signal voltage readings as specified?
YES- Replace suspect speaker. Mid Audio (Crew Cab) and Premium Audio (King Cab).
NO- Replace audio unit. Mid Audio (Crew Cab) and Premium Audio (King Cab).