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 26
3. Check continuity between display unit harness connector M168
(A) terminals 11, 22 and AV control unit harness connector
M162 (B) terminals 30, 31.
4. Check continuity between display unit harness connector M168
(A) terminals 11, 22 and ground.
Are continuity results as specified?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK COMMUNICATION SIGNAL
1. Connect display unit connector M168 and AV control unit connector M162.
2. Turn ignition switch ON.
3. Check signal between display unit harness connector M168 terminal 11 and ground.
Are voltage readings as specified?
YES - GO TO 4.
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.
4.CHECK COMMUNICATION SIGNAL
Nissan-Datsun Truck Armada 2WD V8-5.6L (VK56DE) U CODE 27
Check signal between display unit harness connector M168 terminal
22 and ground.
Are voltage readings as specified?
YES - Inspection End.
NO - Replace display unit. See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Radio/Stereo/Service and Repair/Display
Unit/Bose Audio/With Navigation.
U1244
U1244 GPS ANTENNA
Description
DTC Logic
DTC DETECTION LOGIC
Diagnosis Procedure
Regarding Wiring Diagram information, See: Accessories and Optional Equipment/Radio, Stereo, and Compact Disc/Diagrams/Electrical
Diagrams/Bose Audio/With Navigation.
1.GPS ANTENNA CHECK
Inspect GPS antenna and antenna feeder for damage or poor connection.
Is the GPS antenna and feeder clean and undamaged?
YES - GO TO 2.
NO - Repair or replace malfunctioning parts.
2.CHECK AV CONTROL UNIT VOLTAGE