SATELLITE RADIO TUNER: Diagnosis Procedure
Regarding Wiring Diagram information, refer to "WIRING DIAGRAM - WITHOUT NAVIGATION SYSTEM ".
- CHECK HARNESS - 1
- Turn ignition switch OFF.
- Disconnect satellite radio tuner (factory installed) connector M41 and AV control unit connector M136.
- Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 28 and AV control unit harness connector M136 (B) terminal 28.
A B Continuity Connector Terminal Connector Terminal M41 28 M136 28 Yes - Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 28 and ground.
A - Continuity Connector Terminal M41 28 Ground No
Fig 1: Checking Continuity Between Satellite Radio Tuner Connector M41 (A) Terminal 28 And AV Control Unit Connector M136 (B) Terminal 28Courtesy of NISSAN NORTH AMERICA, INC.
Are continuity results as specified?
YES: GO TO 2
NO: Repair harness or connector.
- CHECK HARNESS - 2
- Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 29 and AV control unit harness connector M136 (B) terminal 29.
A B Continuity Connector Terminal Connector Terminal M41 29 M136 29 Yes - Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 29 and ground.
A - Continuity Connector Terminal M41 29 Ground No
Fig 2: Checking Continuity Between Satellite Radio Tuner Connector M41 (A) Terminal 29 And AV Control Unit Harness Connectors M136 (B) Terminal 29Courtesy of NISSAN NORTH AMERICA, INC.
Are continuity results as specified?
YES: GO TO 3
NO: Repair harness or connector.
- Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 29 and AV control unit harness connector M136 (B) terminal 29.
- CHECK HARNESS - 3
- Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 30 and AV control unit harness connector M136 (B) terminal 30.
A B Continuity Connector Terminal Connector Terminal M41 30 M136 30 Yes - Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 30 and ground.
A - Continuity Connector Terminal M41 30 Ground No
Fig 3: Checking Continuity Between Satellite Radio Tuner Connector M41 (A) Terminal 30 And AV Control Unit Connectors M136 (B) Terminal 30Courtesy of NISSAN NORTH AMERICA, INC.
Are continuity results as specified?
YES: GO TO 4
NO: Repair harness or connector.
- Check continuity between satellite radio tuner (factory installed) harness connector M41 (A) terminal 30 and AV control unit harness connector M136 (B) terminal 30.
- CHECK REQ1 SIGNAL
- Connect satellite radio tuner (factory installed) connector and AV control unit connector.
- Turn ignition switch to ACC
- Check signal between satellite radio tuner (factory installed) harness connector M41 terminal 28 and ground with CONSULT or oscilloscope.
(+) (-) Reference signal Connector Terminal M41 28 Ground
Fig 4: Checking Signal Between Satellite Radio Tuner Harness Connector M41 Terminal 28 And Ground Using OscilloscopeCourtesy of NISSAN NORTH AMERICA, INC.
Are voltage readings as specified?
YES: GO TO 5
NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".
- CHECK TXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness connector M41 terminal 29 and ground with CONSULT or oscilloscope.
(+) (-) Reference signal Connector Terminal M41 29 Ground Fig 5: Checking Signal Between Satellite Radio Tuner Harness Connector M41 Terminal 29 And Ground Using OscilloscopeCourtesy of NISSAN NORTH AMERICA, INC.
Are the voltage readings as specified?
YES: GO TO 6
NO: Replace satellite radio tuner. Refer to "REMOVAL AND INSTALLATION ".
- CHECK RXD SIGNAL
Check signal between satellite radio tuner (factory installed) harness connector M41 terminal 30 and ground with CONSULT or oscilloscope.
(+) (-) Reference signal Connector Terminal M41 30 Ground Fig 6: Checking Signal Between Satellite Radio Tuner Connector M41 Terminal 30 And Ground Using OscilloscopeCourtesy of NISSAN NORTH AMERICA, INC.
Are the voltage readings as specified?
YES: Replace satellite radio tuner. Refer to "REMOVAL AND INSTALLATION ".
NO: Replace AV control unit. Refer to "REMOVAL AND INSTALLATION ".