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.
C1704, C1705, C1706, C1707 Low tire pressure
DTC Logic
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transmitter
Read TPMS DTCs
Register ...
Tire pressure
Tire Pressure Monitoring System
(TPMS)
This vehicle is equipped with the Tire
Pressure Monitoring System (TPMS). It
monitors tire pressure of all tires except
the spare. When the low tire pressure
warning light is lit and the CHECK TIRE
PRES warning is displayed in the odometer,
one or more ...
Symptom diagnosis
Squeak and rattle trouble diagnoses
Work Flow
CUSTOMER INTERVIEW
Interview the customer if possible, to determine the conditions that exist
when the noise occurs. Use the Diagnostic
Worksheet during the interview to document the facts and conditions when the
noise occurs and any
custom ...