NO.8 AudioPilot®2 FUNCTION IS INOPERATIVE [ENTIRE AUDIO SYSTEM]SM2446108
NO.8 AudioPilot®2 FUNCTION IS INOPERATIVE [ENTIRE AUDIO SYSTEM]

id0903e2996400

8

AudioPilot®2 function is inoperative

Possible DTC

Using the M-MDS

U0010:88, U0155:00

Without using M-MDS (On-board diagnostic test mode)

Audio unit

16:Er12, 17:Er11

Car-navigation unit
• Device code 16/error code 12
• Device code 17/error code 11
Possible cause
• Audio amplifier malfunction
• Open or short circuit in AudioPilot ®2 signal wiring harness
• Open or short circuit in AudioPilot ®2 microphone signal wiring harness
• CAN signal wiring harness malfunction (does not receive vehicle speed signal)
Note
• Inspect the AudioPilot ®2 function while driving the vehicle and playing a CD.

Diagnostic procedure

STEP

INSPECTION

ACTION
1
• Turn the AudioPilot ®2 function on.
• Inspect the AudioPilot ®2 function operation while driving the vehicle.
• Does the AudioPilot ®2 system operation properly?
Yes
The system is normal.
Explain the AudioPilot ®2 function to the customer.
No
Go to the next step.
2
• Inspect the connection of the audio amplifier connector (AudioPilot ®2 microphone signal).
• Inspect both the audio amplifier wiring harness-side connector terminal 1F, 1E 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 AudioPilot ®2 microphone connector (2-pin).
• Inspect the AudioPilot ®2 microphone wiring harness-side connector terminal A and B (2-pin) for poor connection (such as damaged/pulled-out pins, corrosion).
• Are all pins normal?
Yes
Repair or replace the pins and/or the connector.
No
Go to the next step.
4
• Inspect continuity between the following terminals of the audio amplifier connector and body ground.
― Terminal 1F (AudioPilot ®2 microphone+)
― Terminal 1E (AudioPilot ®2 microphone-)
• Is there continuity?
Yes
Repair or replace the wiring harness for a possible short to ground.
No
Go to the next step.
5
• Inspect continuity between the following terminals of the audio amplifier connector and AudioPilot ®2 microphone/instrument cluster connector.
― Terminal 1F—AudioPilot ®2 microphone terminal B (+)
― Terminal 1E—AudioPilot ®2 microphone terminal A (-)
• Is there continuity?
Yes
Go to the next step.
No
Repair or replace for open circuit.
6
• Retrieve the DTCs from all vehicle modules using the M-MDS.
• Is there the following DTC displayed?
― CAN communication wiring harness
Yes
Go to the appropriate DTC inspection.
No
Replace the audio amplifier.
(See AUDIO AMPLIFIER REMOVAL/INSTALLATION.)