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Audio Visual, Navigation & Telephone System: NVH Nissan Versa I

Antenna Systems 26 illustrations ~2190 words

TYPE OF NOISE AND POSSIBLE CAUSE

Occurrence conditionPossible cause
Occurs only when engine is ON.A continuous growling noise occurs. The speed of the noise varies with changes in the engine speed.Ignition components
A whistling noise occurs while the engine speed is high. A booming noise occurs while the engine is running and the lighting switch is ON.Generator
Noise only occurs when various electrical components are operating.A cracking or snapping sound occurs with the operation of various switches.Relay malfunction, radio malfunction
The noise occurs when various motors are operating.Motor case ground Motor
The noise occurs constantly, not just under certain conditions.Rear defogger coil malfunction Open circuit in printed heater
A cracking or snapping sound occurs while the vehicle is being driven, especially when it is vibrating excessively.Ground wire of body parts. Ground due to improper part installation Wiring connections or a short circuit

NOISE AND POSSIBLE CAUSE CHART

Scheme 13

Scheme 13: Power Supply Circuit Inspection
Scheme 13: Power Supply Circuit Inspection

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Scheme 15
  1. CHECK FUSE Check that the following fuses of the subwoofer (premium system) and audio unit are not blown. FUSE REFERENCE CHART Unit Terminals Signal name Fuse No. Audio unit 19 Battery power 27 7 Ignition switch ACC or ON 20 Subwoofer (with premium audio) 1 Ignition switch ACC or ON 27 OK or NG OK >> GO TO 2. NG >> If fuse is blown, be sure to eliminate cause of blown fuse before installing new fuse. Refer to " «POWER SUPPLY ROUTING CIRCUIT»(ref-337618-S12320956552009080600000) ".
  2. AUDIO UNIT POWER SUPPLY CIRCUIT CHECK Disconnect audio unit connector. Check voltage between the audio unit and ground. TERMINALS VOLTAGE CHART Unit Terminal No. OFF ACC ON (+) (-) Connector Terminal Audio unit M43 19 Ground Battery voltage Battery voltage Battery voltage 7 Ground 0V Battery voltage Battery voltage OK or NG OK >> With premium system, GO TO 3. NG >> Check connector housings for disconnected or loose terminals. Repair harness or connector.
  3. SUBWOOFER (PREMIUM SYSTEM) POWER SUPPLY CIRCUIT CHECK Disconnect subwoofer connector. Check voltage between subwoofer (premium system) and ground. TERMINALS VOLTAGE CHART Unit Terminal No. OFF ACC ON (+) (-) Connector Terminal Subwoofer B29 1 Ground 0V Battery voltage Battery voltage OK or NG OK >> GO TO 4. NG >> Check connector housings for disconnected or loose terminals. Repair harness or connector.
  4. GROUND CIRCUIT CHECK Check continuity between subwoofer (premium system) harness connector B29 terminal 3 and ground. Continuity should exist. OK or NG OK >> Inspection End. NG >> Check connector housings for disconnected or loose terminals. Repair harness or connector.

Scheme 16

Scheme 16: Satellite Radio Tuner (Factory Installed) Power and Ground Supply Circuit Inspection
Scheme 16: Satellite Radio Tuner (Factory Installed) Power and Ground Supply Circuit Inspection

Scheme 17

Scheme 17
Scheme 17
  1. CHECK FUSES Check that the following fuses are not blown. FUSES REFERENCE CHART Unit Terminals Signal name Fuse No. Satellite radio tuner (factory installed) 32 Battery power 27 36 Ignition switch ACC or ON 20 OK or NG OK >> GO TO 2. NG >> If fuse is blown, be sure to eliminate cause of blown fuse before installing new fuse. Refer to " «POWER SUPPLY ROUTING CIRCUIT»(ref-337618-S12320956552009080600000) ".
  2. POWER SUPPLY CIRCUIT CHECK Turn ignition switch OFF. Disconnect satellite radio tuner (factory installed) connector B30. Check voltage between the satellite radio tuner (factory installed) and ground. TERMINALS VOLTAGE CHART Unit Terminal No. OFF ACC ON (+) (-) Connector Terminal Satellite radio tuner (factory installed) B30 32 Ground Battery voltage Battery voltage Battery voltage 36 Ground 0V Battery voltage Battery voltage OK or NG OK >> GO TO 3. NG >> Check connector housings for disconnected or loose terminals. Repair harness or connector.
  3. GROUND CIRCUIT CHECK Turn ignition switch OFF. Inspect satellite radio tuner (factory installed) case ground. Disconnect satellite radio tuner (factory installed) connector B30 (A) and audio unit connector M45 (B). Check continuity between satellite radio tuner (factory installed) and audio unit. TERMINALS CONTINUITY CHART Terminals Continuity Satellite radio tuner Audio unit Connector Terminal Connector Terminal A: B30 25 B: M45 45 Yes 26 46 OK or NG OK >> Inspection End. NG >> Check connector housings for disconnected or loose terminals. Repair harness, connector or satellite radio tuner (factory installed) case ground.

Scheme 18

Scheme 18: Satellite Radio Tuner (Factory Installed) Communication Circuit Inspection
Scheme 18: Satellite Radio Tuner (Factory Installed) Communication Circuit Inspection

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Scheme 23
  1. CHECK HARNESS - 1 Turn ignition switch OFF. Disconnect satellite radio tuner (factory installed) connector B30 and audio unit connector M45. Check continuity between satellite radio tuner (factory installed) harness connector B30 (A) terminal 28 and audio unit harness connector M45 (B) terminal 48 Continuity should exist. Check continuity between satellite radio tuner (factory installed) harness connector B30 (A) terminal 28 and ground. Continuity should not exist. OK or NG OK >> GO TO 2. NG >> Repair harness or connector.
  2. CHECK HARNESS - 2 Check continuity between satellite radio tuner (factory installed) harness connector B30 (A) terminal 29 and audio unit harness connector M45 (B) terminal 49 Continuity should exist. Check continuity between satellite radio tuner (factory installed) harness connector B30 (A) terminal 29 and ground. Continuity should not exist. OK or NG OK >> GO TO 3. NG >> Repair harness or connector.
  3. CHECK HARNESS - 3 Check continuity between satellite radio tuner (factory installed) harness connector B30 (A) terminal 30 and audio unit harness connector M45 (B) terminal 50 Continuity should exist. Check continuity between satellite radio tuner (factory installed) harness connector B30 (A) terminal 30 and ground. Continuity should not exist. OK or NG OK >> GO TO 4. NG >> Repair harness or connector.
  4. CHECK REQ1 SIGNAL Connect satellite radio tuner (factory installed) connector and audio unit connector. Turn ignition switch to ACC Check signal between satellite radio tuner (factory installed) harness connector B30 terminal 28 and ground with CONSULT-II or oscilloscope. 28 - Ground: Refer to " «TERMINALS AND REFERENCE VALUE FOR SATELLITE RADIO TUNER»(ref-337634-S13382939122009080600000) ". OK or NG OK >> GO TO 5. NG >> Replace audio unit. Refer to " «AUDIO UNIT»(ref-337634-S39276294312009080600000) ".
  5. CHECK TXD SIGNAL Check signal between satellite radio tuner (factory installed) harness connector B30 terminal 29 and ground with CONSULT-II or oscilloscope. 29 - Ground: Refer to " «TERMINALS AND REFERENCE VALUE FOR SATELLITE RADIO TUNER»(ref-337634-S13382939122009080600000) ". OK or NG OK >> GO TO 6. NG >> Replace audio unit. Refer to " «AUDIO UNIT»(ref-337634-S39276294312009080600000) ".
  6. CHECK RXD SIGNAL Check signal between satellite radio tuner (factory installed) harness connector B30 terminal 30 and ground with CONSULT-II or oscilloscope. 30 - Ground: Refer to " «TERMINALS AND REFERENCE VALUE FOR SATELLITE RADIO TUNER»(ref-337634-S13382939122009080600000) ". OK or NG OK >> Replace satellite radio tuner. Refer to " «SATELLITE RADIO TUNER»(ref-337634-S26476889752009080600000) ". NG >> Replace audio unit. Refer to " «AUDIO UNIT»(ref-337634-S39276294312009080600000) ".

Scheme 24

Scheme 24: Satellite Radio Tuner (Factory Installed) Left Channel Audio Signal Circuit Inspection
Scheme 24: Satellite Radio Tuner (Factory Installed) Left Channel Audio Signal Circuit Inspection

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Scheme 25
  1. CHECK HARNESS Turn ignition switch OFF. Disconnect satellite radio tuner (factory installed) connector B30 (A) and audio unit connector M45 (B). Check continuity between satellite radio tuner (factory installed) and audio unit. TERMINALS CONTINUITY CHART Terminals Continuity Satellite radio tuner Audio unit Connector Terminal Connector Terminal A: B30 21 B: M45 41 Yes 22 42 Check continuity between satellite radio tuner (factory installed) and ground. TERMINALS CONTINUITY CHART Terminals Continuity Satellite radio tuner - Connector Terminal A: B30 21 Ground No 22 OK or NG OK >> GO TO 2. NG >> Repair harness or connector.
  2. CHECK LEFT CHANNEL AUDIO SIGNAL Connect satellite radio tuner (factory installed) and audio unit. Turn ignition switch ON. Check signal between satellite radio tuner (factory installed) connector B30 terminals 21 and 22 with CONSULT-II or oscilloscope. 21 - 22: Refer to " «TERMINALS AND REFERENCE VALUE FOR SATELLITE RADIO TUNER»(ref-337634-S13382939122009080600000) ". OK or NG OK >> Replace audio unit. Refer to " «AUDIO UNIT»(ref-337634-S39276294312009080600000) ". NG >> Replace satellite radio tuner. Refer to " «SATELLITE RADIO TUNER»(ref-337634-S26476889752009080600000) ".

Scheme 26

Scheme 26: Satellite Radio Tuner (Factory Installed) Right Channel Audio Signal Circuit Inspection
Scheme 26: Satellite Radio Tuner (Factory Installed) Right Channel Audio Signal Circuit Inspection

Scheme 27

Scheme 27
Scheme 27
  1. CHECK HARNESS Turn ignition switch OFF. Disconnect satellite radio tuner (factory installed) connector B30 (A) and audio unit connector M45 (B). Check continuity between satellite radio tuner (factory installed) and audio unit. TERMINALS CONTINUITY CHART Terminals Continuity Satellite radio tuner Audio unit Connector Terminal Connector Terminal A: B30 23 B: M45 43 Yes 24 44 Check continuity between satellite radio tuner (factory installed) and ground. TERMINALS CONTINUITY CHART Terminals Continuity Satellite radio tuner - Connector Terminal A: B30 23 Ground No 24 OK or NG OK >> GO TO 2. NG >> Repair harness or connector.
  2. CHECK RIGHT CHANNEL AUDIO SIGNAL Connect satellite radio tuner (factory installed) and audio unit. Turn ignition switch ON. Check signal between satellite radio tuner (factory installed) connector B30 terminals 23 and 24 with CONSULT-II or oscilloscope. 23 - 24: Refer to " «TERMINALS AND REFERENCE VALUE FOR SATELLITE RADIO TUNER»(ref-337634-S13382939122009080600000) ". OK or NG OK >> Replace audio unit. Refer to " «AUDIO UNIT»(ref-337634-S39276294312009080600000) ". NG >> Replace satellite radio tuner. Refer to " «SATELLITE RADIO TUNER»(ref-337634-S26476889752009080600000) ".

Scheme 28

Scheme 28: Steering Switch Check (With Bluetooth)
Scheme 28: Steering Switch Check (With Bluetooth)

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Scheme 31
  1. CHECK HARNESS Turn ignition switch OFF. Disconnect Bluetooth control unit connector and spiral cable connector M30. Check continuity between Bluetooth control unit (A) connector B121 terminals 12, 14, and 13 and spiral cable (B) connector M30 terminals 24, 31, and 32. TERMINALS CONTINUITY CHART Terminals Continuity A B Connector Terminal Connector Terminal B121 12 M30 24 Yes 13 32 14 31 Check continuity between Bluetooth control unit and ground. TERMINALS CONTINUITY CHART Terminals Continuity (+) (-) Connector Terminal B121 12 Ground No 13 14 OK or NG OK >> GO TO 3. NG >> Repair harness.
  2. CHECK HARNESS Disconnect audio unit connector. Check continuity between audio unit (A) connector M43 terminals 6, 15, and 16 and Bluetooth control unit (B) connector B121 terminals 17, 19, and 18. TERMINALS CONTINUITY CHART Terminals Continuity (A) (B) Connector Terminal Connector Terminal M43 6 B121 17 Yes 15 19 16 18 OK or NG OK >> GO TO 4. NG >> Repair harness.
  3. SPIRAL CABLE CHECK Disconnect spiral cable connector M102. Check continuity between spiral cable terminals. 16 - 32: Continuity should exist. 17 - 31: Continuity should exist. 20 - 24: Continuity should exist. OK or NG OK >> GO TO 4. NG >> Replace spiral cable. Refer to " «REMOVAL AND INSTALLATION»(ref-337612-S18405118902009080600000) " .
  4. CHECK STEERING SWITCH RESISTANCE Check resistance between spiral cable connector M102 terminals. TERMINALS RESISTANCE CHART Terminal Signal name Condition Resistance (ohms) (Approx.) 16 17 Seek (down) Depress Seek down switch. 165 Phone/Send Depress Phone/Send switch. 0 Volume (down) Depress volume down switch. 487 20 17 Seek (up) Depress Seek up switch. 165 Phone/End Depress Phone/End switch. 0 Volume (up) Depress volume up switch. 487 OK or NG OK >> Inspection End. NG >> Replace steering switch. Refer to " «STEERING WHEEL AUDIO CONTROL SWITCHES»(ref-337634-S03656461472009080600000) ".

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Scheme 32: Sound Is Not Heard From Front Door Speaker (Base System)
Scheme 32: Sound Is Not Heard From Front Door Speaker (Base System)

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Scheme 34
  1. HARNESS CHECK Disconnect audio unit connector and front door speaker connector (LH or RH). Check continuity between audio unit connector M43 (A) terminal and suspect speaker connector (B) terminal. TERMINALS CONTINUITY CHART Terminals Continuity A B Connector Terminal Connector Terminal M43 2 D12 + Yes 3 - 11 D112 + 12 - Check continuity between audio unit connector M43 terminal and ground. TERMINALS CONTINUITY CHART Terminals Continuity Audio unit - Connector Terminal M43 2 Ground No 3 11 12 OK or NG OK >> GO TO 2. NG >> Check connector housings for disconnected or loose terminals. Repair harness or connector.
  2. FRONT SPEAKER SIGNAL CHECK Connect audio unit connector and suspect speaker connector. Turn ignition switch to ACC. Push "POWER" switch. Check the signal between audio unit harness connector terminals with CONSULT-II or oscilloscope. FRONT SPEAKER SIGNAL REFERENCE CHART Terminals Condition Reference signal (+) (-) Connector Terminal Connector Terminal M43 2 M43 3 Receive audio signal 11 12 OK or NG OK >> Replace speaker. Refer to " «FRONT DOOR SPEAKER"»(ref-337634-S23384805292009080600000) or " «TWEETER»(ref-337634-S26618296292009080600000) ". NG >> Replace audio unit. Refer to " «AUDIO UNIT»(ref-337634-S39276294312009080600000) ".

Scheme 35

Scheme 35: Sound Is Not Heard From Rear Door Speaker (Base System)
Scheme 35: Sound Is Not Heard From Rear Door Speaker (Base System)

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Scheme 37
  1. HARNESS CHECK Disconnect audio unit connector and rear door speaker connector. Check continuity between audio unit (A) connector terminal and rear door speaker (B) connector terminal. TERMINALS CONTINUITY CHART Terminals Continuity A B Connector Terminal Connector Terminal M43 5 D207 - Yes 4 + 14 D307 - 13 + Check continuity between audio unit harness connector terminal and ground. TERMINALS CONTINUITY CHART Terminals Continuity Audio unit - Connector Terminal M43 5 Ground No 4 14 13 OK or NG OK >> GO TO 2. NG >> Check connector housings for disconnected or loose terminals. Repair harness or connector.
  2. REAR SPEAKER SIGNAL CHECK Connect audio unit connector and rear speaker connector. Turn ignition switch to ACC. Push "POWER" switch. Check the signal between audio unit harness connector terminals with CONSULT-II or oscilloscope. REAR SPEAKER SIGNAL REFERENCE CHART Terminals Condition Reference signal (+) (-) Connector Terminal Connector Terminal M43 4 M43 5 Receive audio signal 13 14 OK or NG OK >> Replace speaker. Refer to " «REAR DOOR SPEAKER»(ref-337634-S22920813762009080600000) ". NG >> Replace audio unit. Refer to " «AUDIO UNIT»(ref-337634-S39276294312009080600000) ".

Scheme 38

Scheme 38: Sound Is Not Heard From Front Door Speaker or Tweeter (Mid Level and Premium System)
Scheme 38: Sound Is Not Heard From Front Door Speaker or Tweeter (Mid Level and Premium System)
  1. HARNESS CHECK Disconnect audio unit connector and front door speaker and tweeter connector (LH or RH). Check continuity between audio unit harness connector terminal and front door speaker and tweeter harness connector terminal. TERMINALS CONTINUITY CHART Terminals Continuity Audio unit. Speaker or tweeter Connector Terminal Connector Terminal M43 2 M46 + Yes 3 - 11 M47 + 12 - 2 D12 + 3 - 11 D112 + 12 - Check continuity between audio unit harness connector terminal and ground. TERMINALS CONTINUITY CHART Terminals Continuity Audio unit - Connector Terminal M43 2 Ground No 3 11 12 OK or NG OK >> GO TO 2. NG >> Check connector housings for disconnected or loose terminals. Repair harness or connector.
  2. FRONT SPEAKER SIGNAL CHECK Connect audio unit connector, front door speaker connector and tweeter connector. Turn ignition switch to ACC. Push "POWER" switch. Check the signal between audio unit connector terminals with CONSULT-II or oscilloscope. FRONT SPEAKER SIGNAL REFERENCE CHART Terminals Condition Reference signal (+) (-) Connector Terminal Connector Terminal M51 2 M51 3 Receive audio signal 11 12 OK or NG OK >> Replace front speaker. Refer to " «FRONT DOOR SPEAKER»(ref-337634-S23384805292009080600000) ". NG >> Replace audio unit. Refer to " «AUDIO UNIT»(ref-337634-S39276294312009080600000) ".

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