8

AudioPilot function is inoperative / Possible DTC: —

Troubleshooting hints

• Audio amplifier malfunction

• Open or short circuit in Mic unit signal wiring harness

• Open or short circuit in AudioPilot signal wiring harness

NOTE:

• Inspect the AudioPilot function while driving the vehicle and playing a CD.

STEP

INSPECTION

ACTION

1

• Turn the AudioPilot function on.

• Inspect the AudioPilot function operation while driving the vehicle.

• Does the AudioPilot system operate properly?

Yes

The system is normal. Explain the AudioPilot function to the customer.

No

Go to the next step.

2

• Inspect the connection of the audio unit connector (24-pin, AudioPilot signal).

• Inspect both the audio unit and wiring harness-side connector terminal T for a poor connection (such as damaged/pulled-out pins, corrosion).

• Are all the pins normal?

Yes

Repair or replace the pins and/or the connector.

No

Go to the next step.

3

• Inspect the connection of the audio amplifier connector (24-pin, AudioPilot signal).

• Inspect both the audio amplifier and wiring harness-side connector terminal B for a poor connection (such as damaged/pulled-out pins, corrosion).

• Are all the pins normal?

Yes

Repair or replace the pins and/or the connector.

No

Go to the next step.

4

• Inspect the connection of the audio unit connector (24-pin, Mic unit signal).

• Inspect both the audio amplifier and wiring harness-side connector terminals E and G for a poor connection (such as damaged/pulled-out pins, corrosion).

• Are all the pins normal?

Yes

Repair or replace the pins and/or the connector.

No

Replace the audio amplifier.

(See AUDIO AMPLIFIER REMOVAL/INSTALLATION.)