Quest V6-3.5L (VQ35DE) (2009)
![background image](/nissan/quest/v6-3.5l_(vq35de)/Page-491016.png)
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of display control unit.
2. Check the resistance between the display control unit harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Repair the display control unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the display control unit. Refer to.
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Models with color display: See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Testing and Inspection/Component Tests
and General Diagnostics/Integrated Display System/Power Supply And Ground Circuit Inspection For Display Control Unit
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Models with navigation system: See: Accessories and Optional Equipment/Navigation System/Testing and Inspection/Component Tests and
General Diagnostics/Power Supply And Ground Circuit Inspection For Display Control Unit
OK or NG
OK >>
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Present error: Replace the display control unit. Refer to See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Service and
Repair/Integrated Display System.
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Past error: Error was detected in the display control unit branch line.
NG >> Repair the power supply and the ground circuit.
Display Unit Branch Line Circuit
TROUBLE DIAGNOSIS
Display Unit Branch Line Circuit
INSPECTION 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 display unit for damage, bend and loose connection (unit side and connector side).
OK or NG
OK >> GO TO 2.
NG >> Repair the terminal and connector.
2.CHECK HARNESS FOR OPEN CIRCUIT
1. Disconnect the connector of display unit.
2. Check the resistance between the display unit harness connector terminals.
OK or NG
OK >> GO TO 3.
NG >> Repair the display unit branch line.
3.CHECK POWER SUPPLY AND GROUND CIRCUIT
Check the power supply and the ground circuit of the display unit. Refer to See: Accessories and Optional Equipment/Radio, Stereo, and Compact
Disc/Description and Operation/Integrated Display System.
OK or NG
OK >>
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Present error: Replace the display unit. Refer to See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Service and
Repair/Integrated Display System.
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Past error: Error was detected in the display unit branch line.