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Nissan-Datsun Truck Armada 2WD V8-5.6L (VK56DE) U CODE

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Nissan-Datsun Truck Armada 2WD V8-5.6L (VK56DE) U CODE 28
1. Turn ignition switch ON.
2. Check voltage between AV control unit connector M97 terminal
123 and ground.
Is the voltage reading as specified?
YES - Replace GPS antenna. See: Accessories and Optional Equipment/Antenna/Global Positioning System Antenna/Service and Repair.
NO - Replace AV control unit. See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Radio/Stereo/Service and Repair/AV
Control Unit/Bose Audio/With Navigation.
U1248
U1248 DVD DECK CONN
Description
U1248 is indicated when a malfunction occurs in the communication signal of the DVD player. Indicated simultaneously, without fail, with the
malfunction of control units connected to AV control unit with communication line. Determine the possible malfunction cause from the table
below.
DTC Logic
Diagnosis Procedure
1.CHECK DVD PLAYER POWER SUPPLY AND GROUND CIRCUIT
Check DVD player power supply and ground circuit. See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Testing and
Inspection/Component Tests and General Diagnostics/Power Supply And Ground Circuit/DVD Player/Without Navigation.
Is inspection result OK?
YES - Inspection End.
NO - Repair malfunctioning parts.
U1250
U1250 CAMERA CONTROL UNIT
Description
DTC Logic
Nissan-Datsun Truck Armada 2WD V8-5.6L (VK56DE) U CODE 29
Diagnosis Procedure
Regarding Wiring Diagram information, See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Diagrams/Electrical
Diagrams/Bose Audio/With Navigation.
1.CHECK CAMERA-CONNECTION RECOGNITION SIGNAL CIRCUIT
1. Disconnect AV control unit connector and camera control unit connector.
2. Check continuity between AV control unit harness connector
M165 (A) terminal 84 and camera control unit harness connector B73 (B) terminal 5.
3. Check continuity between AV control unit harness connector
M165 (A) terminal 84 and ground.
Are the continuity results as specified?
YES - GO TO 2.
NO - Repair harness or connector.
2.CHECK AV CONTROL UNIT VOLTAGE
1. Connect AV control unit connector.
2. Turn ignition switch ON.
3. Check voltage between AV control unit harness connector M165 terminal 84 and ground.
Is voltage approximately 5 volts?
YES - Replace camera control unit. See: Accessories and Optional Equipment/Collision Avoidance and Parking Assist Systems/Parking Assist
Control Module/Service and Repair/Rear View Camera Control Unit/With Navigation.
NO - Replace AV control unit. See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Radio/Stereo/Service and Repair/AV
Control Unit/Bose Audio/With Navigation.
Nissan-Datsun Truck Armada 2WD V8-5.6L (VK56DE) U CODE 30
Base Audio
U1255 SATELLITE RADIO TUNER
Description
DTC Logic
Diagnosis Procedure
1.CHECK SATELLITE RADIO TUNER POWER SUPPLY AND GROUND CIRCUIT
Check satellite radio tuner power supply and ground circuit. See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Testing
and Inspection/Component Tests and General Diagnostics/Power Supply And Ground Circuit/Satellite Radio Tuner/Base Audio.
Is inspection result OK?
YES - Inspection End.
NO - Repair malfunctioning parts.
Bose Audio
U1255 SATELLITE RADIO TUNER
Description
DTC Logic
Diagnosis Procedure
1.CHECK SATELLITE RADIO TUNER POWER SUPPLY AND GROUND CIRCUIT
Check satellite radio tuner power supply and ground circuit. See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Testing
and Inspection/Component Tests and General Diagnostics/Power Supply And Ground Circuit/Satellite Radio Tuner/Bose Audio.
Is inspection result OK?
YES - Inspection End.
NO - Repair malfunctioning parts.
U1256
U1256 HAND FREE CONN
Description
U1256 is indicated when malfunction occurs in communication signal of multi AV system. Indicated simultaneously, without fail, with the
malfunction of control units connected to AV control unit with communication line.
Determine the possible malfunction cause from the table below.
Self-diagnosis results display item
Labels:
Location: 1049 Harris Hollow Rd, New Creek, WV 26743, USA

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