EX35 AWD V6-3.5L (VQ35HR) (2009)
- Models without NAVI
Is the measurement value within the specification?
YES - GO TO 3.
NO - Repair the AV control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the AV control unit. Refer to the following.
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Base audio without navigation: See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Testing and Inspection/Component
Tests and General Diagnostics/Base Audio Without Navigation/Power Supply and Ground Circuit/AV Control Unit
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BOSE audio with navigation: See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Testing and Inspection/Component
Tests and General Diagnostics/Power Supply and Ground Circuit/AV Control Unit
Is the inspection result normal?
YES (Present error)-Replace the AV control unit. Refer to the following.
-
Base audio without navigation: See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Radio/Stereo/Service and Repair/Base
Audio Without Navigation/Exploded View
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BOSE audio with navigation: See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Radio/Stereo/Service and Repair/BOSE
Audio With Navigation
YES (Past error)-Error was detected in the AV control unit branch line.
NO - Repair the power supply and the ground circuit.
CAN
BCM BRANCH LINE CIRCUIT
Diagnosis Procedure
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the BCM for damage, bend and loose connection (unit side and connector side).
Is the inspection result normal?
YES - GO TO 2.
NO - Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of BCM.
2. Check the resistance between the BCM harness connector terminals.
Is the measurement value within the specification?
YES - GO TO 3.
NO - Repair the BCM branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the BCM. Refer to See: Body and Frame/Body Control Systems/Testing and Inspection/Component
Tests and General Diagnostics/Power Supply and Ground Circuit.
Is the inspection result normal?
YES (Present error)-Replace the BCM. Refer to See: Body Control Module/Service and Repair/Exploded View.
YES (Past error)-Error was detected in the BCM branch line.
NO - Repair the power supply and the ground circuit.
CAN System (Type 1)
BCM BRANCH LINE CIRCUIT