Home ReviewsRefund
Home/Nissan/Versa/Nissan Versa II (2012-2014)/Repair manual/Entertainment Systems/Audio, Visual & Navigation System (Mid Audio): Diagnosis
Contents Wiring diagrams Section: Entertainment Systems All sections

Audio, Visual & Navigation System (Mid Audio): Diagnosis Nissan Versa II

Entertainment Systems 7 illustrations ~1640 words

ON BOARD DIAGNOSIS ITEM

Self-diagnosis mode can check the following items.

  1. Display all icons and segments
  2. Audio unit hardware/software/CD mechanism/EEPROM versions
  3. Audio CD changer version

Scheme 2

Scheme 2: METHOD OF STARTING
Scheme 2: METHOD OF STARTING

Scheme 3

Scheme 3
Scheme 3

Scheme 4

Scheme 4
Scheme 4

Scheme 5

Scheme 5
Scheme 5

Scheme 6

Scheme 6
Scheme 6

Scheme 7

Scheme 7
Scheme 7

Scheme 8

Scheme 8
Scheme 8
  1. Turn ignition switch to the ON position.
  2. Turn the audio unit OFF.
  3. While pressing the "1" button, turn the volume control dial clockwise or counterclockwise 30 clicks or more. When the self-diagnosis mode is started, a short beep will be heard.
  4. Initially, all display segments will be illuminated.
  5. Press the "DISP TEXT" switch to enter version diagnostics. "Soft" (audio software version) is displayed.
  6. Press the "DISP TEXT" switch again to display the "Hard" (audio hardware version).
  7. Press the "DISP TEXT" switch again to display the "CD Mech" (CD mechanism version).
  8. Press the "DISP TEXT" switch again to display the "EEP" (audio unit EEPROM version).
  9. Press the "DISP TEXT" switch again to display the "CHG" (audio CD changer version). If audio CD changer is not connected, "FFFFFF" is displayed. Finishing Self-diagnosis Mode Self-diagnosis Mode is canceled when the ignition switch is turned OFF.

AUDIO UNIT: Diagnosis Procedure

Regarding Wiring Diagram information, refer to " WIRING DIAGRAM ".

  1. CHECK FUSES Check that the following fuses are not blown. Unit Terminals Signal name Fuse No. Audio unit 19 Battery power 29 7 Ignition switch ACC or ON 18 Is there a blown fuse? YES: Replace the fuse after repairing the affected circuit. NO: GO TO 2
  2. POWER SUPPLY CIRCUIT CHECK Disconnect audio unit connector M45. Check voltage between the audio unit connector M45 and ground. (+) (-) Ignition switch position Connector Terminal OFF ACC ON M45 19 Ground Battery voltage Battery voltage Battery voltage 7 Ground 0 V Battery voltage Battery voltage Are voltage readings as specified? YES: GO TO 3 NO: Check connector housings for disconnected or loose terminals. Repair harness or connector.
  3. GROUND CIRCUIT CHECK Inspect audio unit case ground. Is the inspection result normal? YES: Inspection End. NO: Repair audio unit case ground.

BLUETOOTH® CONTROL UNIT: Diagnosis Procedure

Regarding Wiring Diagram information, refer to " WIRING DIAGRAM ".

  1. CHECK FUSE Check that the following fuses of the Bluetooth® control unit are not blown. Unit Terminals Signal name Fuse No. Bluetooth® control unit 1 Battery power 28 2 Ignition switch ACC or ON 18 3 Ignition switch ON or START 5 Is the inspection result normal? YES: GO TO 2 NO: Replace the fuse after repairing the affected circuit.
  2. CHECK POWER SUPPLY CIRCUIT Check voltage between Bluetooth® control unit harness connector B33 and ground. (+) (-) Ignition switch position Value (Approx.) Connector Terminal B33 1 Ground OFF Battery voltage 2 ACC 3 ON Are the voltage results as specified? YES: GO TO 3 NO: Check harness between Bluetooth® control unit and fuse.
  3. CHECK GROUND CIRCUIT Turn ignition switch OFF. Disconnect Bluetooth® control unit connector B33. Check continuity between Bluetooth® control unit harness connector B33 and ground. (+) (-) Continuity Connector Terminal B33 4 Ground Yes 27 Does continuity exist? YES: Inspection End. NO: Repair harness or connector.

MICROPHONE: Diagnosis Procedure

Regarding Wiring Diagram information, refer to " WIRING DIAGRAM ".

  1. CHECK POWER SUPPLY CIRCUIT (MICROPHONE SIDE) Turn ignition switch ON. Check voltage between microphone harness connector R15 terminal 4 and ground. Connector Terminal - Ignition switch position Value (Approx.) R15 4 Ground ON 5V Is voltage reading as specified? YES: GO TO 3 NO: GO TO 2
  2. CHECK POWER SUPPLY CIRCUIT (CONTINUITY) Turn ignition switch OFF. Disconnect microphone and Bluetooth® control unit harness connectors. Check continuity between microphone harness connector R15 terminal 4 and Bluetooth® control unit harness connector B33 terminal 29. Connector Terminal Connector Terminal Continuity R15 4 B33 29 Yes Check continuity between microphone harness connector R15 terminal 4 and ground. Connector Terminal - Continuity R15 4 Ground No Are the continuity results as specified? YES: Replace the Bluetooth® control unit. Refer to " «REMOVAL AND INSTALLATION»(ref-605971-S15076003692014032500000) ". NO: Repair harness or connector.
  3. CHECK GROUND CIRCUIT Turn ignition switch OFF. Disconnect microphone harness connector R15 and Bluetooth® control unit harness connector B33. Check continuity between microphone harness connector R15 terminal 2 and Bluetooth® control unit harness connector B33 terminal 8. Connector Terminal Connector Terminal Continuity R15 2 B33 8 Yes Does continuity exist? YES: Inspection End. NO: Repair harness or connector.

Diagnosis Procedure

Regarding Wiring Diagram information, refer to " WIRING DIAGRAM ".

  1. CONNECTOR CHECK Check the audio unit and speaker connectors for the following: Proper connection Damage Disconnected or loose terminals Is the inspection result normal? YES: GO TO 2 NO: Repair the terminal and connector.
  2. HARNESS CHECK Disconnect audio unit connector M45 and suspect speaker connector. Check continuity between audio unit harness connector M45 terminal and suspect speaker harness connector terminal. Connector Terminal Connector Terminal Continuity M45 2 D12 1 Yes 3 2 11 D112 1 12 2 Check continuity between audio unit harness connector M45 terminal and ground. Connector Terminal - Continuity M45 2 Ground No 3 11 12 Are continuity results as specified? YES: GO TO 3 NO: Repair harness or connector.
  3. FRONT SPEAKER SIGNAL CHECK Connect audio unit connector and front speaker connector. Turn ignition switch to ACC. Push audio unit POWER switch. Check the signal between audio unit harness connector terminals with CONSULT or oscilloscope. (+) (-) Condition Reference signal (Approx.) Connector Terminal Terminal M45 2 3 Receive audio signal 11 12 Are voltage readings as specified? YES: Replace speaker. Refer to " «REMOVAL AND INSTALLATION»(ref-605971-S22208548452014032500000) ". NO: Replace audio unit. Refer to " «REMOVAL AND INSTALLATION»(ref-605971-S13067859772014032500000) ".

Regarding Wiring Diagram information, refer to " WIRING DIAGRAM ".

  1. CONNECTOR CHECK Check the audio unit and speaker connectors for the following: Proper connection Damage Disconnected or loose terminals Is the inspection result normal? YES: GO TO 2 NO: Repair the terminal and connector.
  2. HARNESS CHECK Disconnect audio unit connector M45 and suspect speaker connector. Check continuity between audio unit harness connector M45 terminal and suspect speaker harness connector terminal. Connector Terminal Connector Terminal Continuity M45 4 D207 1 Yes 5 2 13 D307 1 14 2 Check continuity between audio unit harness connector M45 terminal and ground. Connector Terminal - Continuity M45 4 Ground No 5 13 14 Are continuity results as specified? YES: GO TO 3 NO: Repair or replace harness or connector.
  3. REAR SPEAKER SIGNAL CHECK Connect audio unit connector M45 and rear speaker connector. Turn ignition switch to ACC. Push audio unit POWER switch. Check the signal between audio unit harness connector M45 terminals with CONSULT or oscilloscope. (+) (-) Condition Reference signal (Approx.) Connector Terminal Terminal M45 4 5 Receive audio signal 13 14 Is the audio signal voltage as specified? YES: Replace speaker. Refer to " «REMOVAL AND INSTALLATION»(ref-605971-S04123402872014032500000) ". NO: Replace audio unit. Refer to " «REMOVAL AND INSTALLATION»(ref-605971-S13067859772014032500000) ".

Regarding Wiring Diagram information, refer to " WIRING DIAGRAM ".

  1. CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE Turn ignition switch OFF. Disconnect steering wheel audio control switch connector M88. Check resistance between steering switch connector terminals. Terminal Signal name Condition Resistance (ohms) (Approx.) 14 17 Source Depress SOURCE switch. 1 Seek (up) Depress UP TRIANGLE switch. 121 Seek (down) Depress DOWN TRIANGLE switch. 321 Phone/Send Depress PHONE/SEND switch. 723 15 Volume (down) Depress VOL DOWN switch. 1 Volume (up) Depress VOL UP switch. 121 Phone/End Depress PHONE END switch. 321 Is the inspection result normal? YES: GO TO 2. NO: Replace steering wheel audio control switch. Refer to " «REMOVAL AND INSTALLATION»(ref-605971-S17518363562014032500000) ".
  2. CHECK HARNESS (SPIRAL CABLE TO BLUETOOTH® CONTROL UNIT) Disconnect Bluetooth® control unit connector B33 and spiral cable connector M30. Check continuity between Bluetooth® control unit harness connector B33 and spiral cable harness connector M30. Connector Terminal Connector Terminal Continuity B33 12 M30 24 Yes 13 31 14 33 Check continuity between Bluetooth® control unit connector B33 and ground. Connector Terminal - Continuity B33 12 Ground No 13 14 Are the continuity results as specified? YES: GO TO 3. NO: Repair harness or connector.
  3. CHECK HARNESS (BLUETOOTH® CONTROL UNIT TO AUDIO UNIT) Disconnect audio unit connector M45. Check continuity between audio unit connector M45 and Bluetooth® control unit connector B33. Connector Terminal Connector Terminal Continuity M45 6 B33 17 Yes 15 19 16 18 Are the continuity test results as specified? YES: GO TO 4 NO: Repair harness or connector.
  4. SPIRAL CABLE CHECK Check continuity between spiral cable harness connector M30 and M88. Connector Terminal Connector Terminal Continuity M30 24 M88 14 Yes 31 15 33 17 Is the inspection result normal? YES: Inspection End. NO: Replace spiral cable. Refer to " «REMOVAL AND INSTALLATION»(ref-605929-S32175049852014032500000) ".

Regarding Wiring Diagram information, refer to " WIRING DIAGRAM ".

  1. CHECK HARNESS BETWEEN BLUETOOTH® CONTROL UNIT AND MICROPHONE Turn ignition switch OFF. Disconnect Bluetooth® control unit connector B33 and microphone connector R15. Check continuity between Bluetooth® control unit harness connector B33 and microphone harness connector R15. Connector Terminal Connector Terminal Continuity B33 7 R15 1 Yes 8 2 29 4 Check continuity between Bluetooth® control unit harness connector B33 and ground. Connector Terminal - Continuity B33 7 Ground No 8 29 Are continuity results as specified? YES: GO TO 2 NO: Repair harness or connector.
  2. CHECK MICROPHONE POWER SUPPLY Connect Bluetooth® control unit connector B33 and microphone connector R15. Turn ignition switch ON. Check voltage between microphone harness connector R15 terminal 4 and ground. (+) (-) Voltage (Approx.) Connector Terminal R15 4 Ground 5V Is the voltage reading as specified? YES: GO TO 3 NO: Replace Bluetooth® control unit. Refer to " «REMOVAL AND INSTALLATION»(ref-605971-S15076003692014032500000) ".
  3. CHECK MICROPHONE SIGNAL Check signal between Bluetooth® control unit harness connector B33 terminals 7 and 8. (+) (-) Condition Value (approx.) Connector Terminal B33 7 8 While speaking into MIC Were voltage readings as specified? YES: Replace Bluetooth® control unit. Refer to " «REMOVAL AND INSTALLATION»(ref-605971-S15076003692014032500000) ". NO: Replace microphone. Refer to " «REMOVAL AND INSTALLATION»(ref-605971-S42692338132014032500000) ".

More articles — Audio, Visual & Navigation System (Mid Audio)