Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti Q50. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK FUSE
- Turn ignition switch OFF.
- Check that the following fuse is not blown (open).
Power source Fuse No. Capacity Battery #3 15 A #5 15 A Ignition switch ACC or ON #1 10 A
Is the fuse blown (open) ?
YES
Replace fuse after repairing the applicable circuit.
NO
GO TO STEP 2 .
- CHECK BOSE AMP. BATTERY POWER SUPPLY
Check the voltage between BOSE amp. harness connector and ground.
(+) (-) Voltage
(Approx.)BOSE amp. Connector Terminal B53 10 Ground Battery voltage 11 Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Perform trouble diagnosis for battery power supply circuit.
- CHECK BOSE AMP. ACCESSORY POWER SUPPLY
- Turn ignition switch ON.
- Check the voltage between BOSE amp. harness connector and ground.
(+) (-) Voltage
(Approx.)BOSE amp. Connector Terminal B55 56 Ground Battery voltage
Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Perform trouble diagnosis for accessory power supply circuit.
- CHECK BOSE AMP. GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect BOSE amp. harness connector.
- Check the continuity between BOSE amp. harness connector and ground.
(+) (-) Continuity BOSE amp. Connector Terminal B53 7 Ground Existed 28
Is the inspection result normal?
YES
INSPECTION END
NO
Repair or replace malfunctioning parts.