Power supply and ground circuit
Audio unit
Audio unit : diagnosis procedure
Regarding wiring diagram information, refer to av-25, "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-25, "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
1.Connector check
Check the audio unit 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
Is the inspection result normal? YES >> GO TO 3
NO >> Repair or replace harness or connectors.
3.Check front door speaker signal
Is the inspection result normal? YES >> Replace front door speaker. Refer to AV-60, "Removal and Installation".
NO >> Replace audio unit. Refer to AV-58, "Removal and Installation".
Front tweeter
Diagnosis procedure
Regarding wiring diagram information, refer to av-25, "wiring diagram".
1.Connector check
Check the audio unit 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
Is the inspection result normal? Yes >> go to 3
No >> repair or replace harness or connectors.
3.Check front tweeter signal
Is the inspection result normal? Yes >> replace front tweeter. Refer to av-59, "removal and installation".
No >> replace audio unit. Refer to av-58, "removal and installation".
Rear speaker
Diagnosis procedure
Regarding wiring diagram information, refer to av-25, "wiring diagram".
1.Connector check
Check the audio unit and speaker connectors for the following:
Is the inspection result normal? Yes >> go to 2
No >> repair the terminals or connectors.
2.Check rear speaker signal circuit continuity
Is the inspection result normal? Yes >> go to 3
No >> repair or replace harness or connectors.
3.Check rear speaker signal
Is the inspection result normal? YES >> Replace rear speaker. Refer to AV-61, "Removal and Installation".
NO >> Replace audio unit. Refer to AV-58, "Removal and Installation".
BluetoothВ® voice signal circuit
Diagnosis procedure
Regarding Wiring Diagram information, refer to AV-25, "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 m44 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-68, "removal and installation".
No >> replace audio unit. Refer to av-58, "removal and installation".
BluetoothВ® control signal circuit
Diagnosis Procedure
Regarding wiring diagram information, refer to av-25, "wiring diagram".
1.Check control signal circuit continuity
Is the inspection result normal? YES >> Replace BluetoothВ® control unit. Refer to AV-68, "Removal and Installation".
NO >> Repair or replace harness or connectors.
Microphone signal circuit
Diagnosis procedure
Regarding wiring diagram information, refer to av-25, "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-68, "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-68, "removal and installation".
No >> replace microphone. Refer to av-69, "removal and installation".
Steering switch
Diagnosis procedure
Regarding wiring diagram information, refer to av-25, "wiring diagram".
With bluetoothВ®
1.Check steering wheel audio control switch resistance
Is the inspection result normal? Yes >> go to 2.
No >> replace steering switches. Refer to av-62, "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-58, "removal and installation".
No >> repair or replace harness or connectors.
Without bluetoothВ®
1.Check steering wheel audio control switch resistance
Is the inspection result normal? Yes >> go to 2.
No >> replace steering switches. Refer to av-62, "removal and installation".
2.Check combination switch (spiral cable)
Check continuity between combination switch (spiral cable) connectors M79 and M80.
Is the inspection result normal? Yes >> go to 3.
No >> replace combination switch (spiral cable). Refer to sr-16, "removal and installation".
3.Check harness between combination switch (spiral cable) and audio unit
Is the inspection result normal? Yes >> replace audio unit. Refer to av-58, "removal and installation".
No >> repair or replace harness or connectors.
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT
PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT
PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the
driver and front passenger for certain
types of collision. Information necessary to service the system ...
Automatic anti-glare rearview mirror (if so equipped)
The inside mirror is designed so that it automatically
dims according to the intensity of the headlights
of the vehicle following you. The automatic
anti-glare feature is activated when the ignition
switch is in the ON position.
NOTE:
Do not hang any objects over the sensors
1 or apply gl ...
System description
Component parts
Component parts location
Instrument lower finisher
Component description
Eco mode switch
The ECO mode switch is installed to the instrument lower finisher.
When the eco mode indicator lamp on the combination meter is
off and the eco mode switch is pressed, t ...