Power supply and ground circuit
Audio unit
Audio unit : diagnosis procedure
Regarding Wiring Diagram information, refer to AV-157, "Wiring Diagram".
1.Check fuse
Are the fuses blown? Yes >> replace the blown fuse after repairing the affected circuit.
No >> go to 2.
2.Check power supply circuit
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.Check ground circuit
Is the inspection result normal? YES >> Inspection End.
NO >> Repair or replace harness or connectors.
Bose speaker amp
Bose speaker amp : diagnosis procedure
Regarding Wiring Diagram information, refer to AV-157, "Wiring Diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown? Yes >> replace the blown fuse after repairing the affected circuit.
No >> go to 2.
2.Check power supply circuit
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.Check ground circuit
Is the inspection result normal? Yes >> inspection end.
No >> repair or replace harness or connectors.
BluetoothВ® control unit
BluetoothВ® control unit : diagnosis procedure
Regarding Wiring Diagram information, refer to AV-157, "Wiring Diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown?
YES >> Replace the blown fuse after repairing the affected circuit.
NO >> GO TO 2.
2.Check power supply circuit
Is the inspection result normal? Yes >> go to 3.
No >> repair or replace harness or connectors.
3.Check ground circuit
Is the inspection result normal? Yes >> inspection end.
No >> repair or replace harness or connectors.
Front door speaker
Diagnosis procedure
Regarding wiring diagram information, refer to av-157, "wiring diagram".
1.Connector check
Check the audio unit, bose speaker amp. And speaker connectors for the following:
Is the inspection result normal? YES >> GO TO 2
No >> repair the terminals or connectors.
2.Check front door speaker signal circuit continuity (bose speaker amp.)
Is the inspection result normal? YES >> GO TO 3
No >> repair or replace harness or connectors.
3.Check front door speaker signal (bose speaker amp.)
Is the inspection result normal? YES >> Replace front door speaker. Refer to AV-205, "Removal and Installation".
NO >> GO TO 4
4.Check front door speaker signal circuit continuity (audio unit)
Is the inspection result normal? Yes >> go to 5
NO >> Repair or replace harness or connectors.
5.Check front door speaker signal (audio unit)
Is the inspection result normal?
YES >> Replace Bose speaker amp. Refer to AV-214, "Removal and Installation".
NO >> Replace audio unit. Refer to AV-203, "Removal and Installation".
Front tweeter
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV-157, "Wiring Diagram".
1.Connector check
Check the audio unit, Bose speaker amp. and speaker connectors for the following:
Is the inspection result normal? Yes >> go to 2
NO >> Repair the terminals or connectors.
2.Check front tweeter signal circuit continuity (bose speaker amp.)
Is the inspection result normal? YES >> GO TO 3
No >> repair or replace harness or connectors.
3.Check front tweeter signal (bose speaker amp.)
Is the inspection result normal? YES >> Replace front tweeter. Refer to AV-204, "Removal and Installation".
NO >> GO TO 4
4.Check front tweeter signal circuit continuity (audio unit)
Is the inspection result normal? Yes >> go to 5
No >> repair or replace harness or connectors.
5.Check front tweeter signal (audio unit)
Is the inspection result normal?
Yes >> replace bose speaker amp. Refer to av-214, "removal and installation".
No >> replace audio unit. Refer to av-203, "removal and installation".
Rear door speaker
Diagnosis procedure
Regarding wiring diagram information, refer to av-157, "wiring diagram".
1.Connector check
Check the audio unit, Bose speaker amp. and speaker connectors for the following:
Is the inspection result normal? YES >> GO TO 2
No >> repair the terminals or connectors.
2.Check rear door speaker signal circuit continuity (bose speaker amp.)
Is the inspection result normal? Yes >> go to 3
No >> repair or replace harness or connectors.
3.Check rear door speaker signal (bose speaker amp.)
Is the inspection result normal? YES >> Replace rear door speaker. Refer to AV-206, "Removal and Installation".
NO >> GO TO 4
4.Check rear door speaker signal circuit continuity (audio unit)
Is the inspection result normal? Yes >> go to 5
No >> repair or replace harness or connectors.
5.Check rear door speaker signal (audio unit)
Is the inspection result normal?
Yes >> replace bose speaker amp. Refer to av-214, "removal and installation".
No >> replace audio unit. Refer to av-203, "removal and installation".
Rear woofer
Diagnosis procedure
Regarding wiring diagram information, refer to av-157, "wiring diagram".
1.Connector check
Check the audio unit, bose speaker amp. And speaker connectors for the following:
Is the inspection result normal? YES >> GO TO 2
No >> repair the terminals or connectors.
2.Check rear woofer signal circuit continuity (bose speaker amp.)
Is the inspection result normal? Yes >> go to 3
No >> repair or replace harness or connectors.
3.Check rear woofer signal (bose speaker amp.)
Is the inspection result normal? YES >> Replace rear woofer. Refer to AV-207, "Removal and Installation".
NO >> GO TO 4
4.Check rear woofer signal circuit continuity (audio unit)
Is the inspection result normal? Yes >> go to 5
No >> repair or replace harness or connectors.
5.Check rear woofer signal (audio unit)
Is the inspection result normal?
Yes >> replace bose speaker amp. Refer to av-214, "removal and installation".
No >> replace audio unit. Refer to av-203, "removal and installation".
Amp on signal circuit
Diagnosis procedure
Regarding wiring diagram information, refer to av-157, "wiring diagram".
1.Check continuity between audio unit and bose speaker amp.
Is the inspection result normal? Yes >> go to 2.
No >> repair or replace harness or connectors.
2.Check audio unit voltage
Is the inspection result normal? Yes >> replace bose speaker amp. Refer to av-214, "removal and installation".
No >> replace audio unit. Refer to av-203, "removal and installation".
BLUETOOTHВ® VOICE SIGNAL CIRCUIT
Diagnosis procedure
Regarding Wiring Diagram information, refer to AV-157, "Wiring Diagram".
1.Check bluetoothВ® voice signal circuit continuity
Is inspection result normal? YES >> GO TO 2.
NO >> Repair or replace harness or connectors.
2.Check bluetoothВ® voice signal ground circuit continuity
Check continuity between audio unit connector m95 and bluetoothВ® control unit connector m45.
Is inspection result normal? Yes >> go to 3.
No >> repair or replace harness or connectors.
3.Check bluetoothВ® voice signal
Is the inspection result normal? Yes >> replace bluetoothВ® control unit. Refer to av-217, "removal and installation".
No >> replace audio unit. Refer to av-203, "removal and installation".
BluetoothВ® control signal circuit
Diagnosis procedure
Regarding Wiring Diagram information, refer to AV-157, "Wiring Diagram".
1.Check control signal circuit continuity
Is the inspection result normal? YES >> Replace BluetoothВ® control unit. Refer to AV-217, "Removal and Installation".
NO >> Repair or replace harness or connectors.
Microphone signal circuit
Diagnosis procedure
Regarding wiring diagram information, refer to av-157, "wiring diagram".
1.Check harness between bluetoothВ® control unit and microphone
Are continuity results as specified? YES >> GO TO 2
No >> repair harness or connectors.
2.Check microphone power supply
Is the voltage reading as specified? Yes >> go to 3
NO >> Replace BluetoothВ® control unit. Refer to AV-217, "Removal and Installation".
3.Check microphone signal
Check signal between terminals of bluetoothВ® control unit connector m45.
Were voltage readings as specified? Yes >> replace bluetoothВ® control unit. Refer to av-217, "removal and installation".
No >> replace microphone. Refer to av-218, "removal and installation".
Steering switch
Diagnosis Procedure
Regarding wiring diagram information, refer to av-157, "wiring diagram".
1.Check steering wheel audio control switch resistance
Is the inspection result normal? Yes >> go to 2.
No >> replace steering switches. Refer to av-208, "removal and installation".
2.Check harness between bluetoothВ® control unit and combination switch (spiral cable)
Is the inspection result normal? YES >> GO TO 3.
NO >> Repair or replace harness or connectors.
3.Check combination switch (spiral cable)
Check continuity between combination switch (spiral cable) connectors M79 and M80.
Is the inspection result normal? YES >> GO TO 4.
NO >> Replace combination switch (spiral cable). Refer to SR-16, "Removal and Installation".
4.Check harness between bluetoothВ® control unit and audio unit
Is the inspection result normal? Yes >> replace audio unit. Refer to av-203, "removal and installation".
No >> repair or replace harness or connectors.
Usb connector
Diagnosis Procedure
Regarding Wiring Diagram information, refer to AV-157, "Wiring Diagram".
1.Check usb interface harness continuity
Is the inspection result normal? YES >> Replace the USB interface. Refer to AV-215, "Removal and Installation".
NO >> Repair or replace harness or connectors.
M&A branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the combination meter for damage,
bend and loose connection
(unit side and connector side).
Is the inspection result nor ...
Ecu diagnosis information
Audio unit
Reference value
Terminal layout
Physical values
BluetoothВ® control unit
Reference Value
Terminal layout
Physical values
...
Oil pan
Exploded View
O-ring
Oil pan (upper)
Oil level gauge guide
O-ring
Oil level gauge
Oil pump drive chain
Crankshaft sprocket
Oil pump sprocket
Oil pump chain tensioner
Oil pump
Drain plug
Drain plug washer
Oil pan (lower)
Oil filter
Clamp
Water hose
Oil cooler
...