Safety Warning

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HOMESERVICE MANUALSINFINITI2006FX35 AWDREPAIR AND DIAGNOSISACCESSORIES & EQUIPMENTINFOTAINMENTAUDIO, VISUAL, NAVIGATION & TELEPHONE SYSTEMTELEPHONEAUDIO STEERING WHEEL SWITCH DOES NOT OPERATE

2006 Infiniti FX35 AWD

Audio Steering Wheel Switch Does Not Operate

2006 Infiniti FX35 AWDSECTION Audio Steering Wheel Switch Does Not Operate

CHECK HARNESS
1. Turn ignition switch OFF.
2. Disconnect A/C and AV switch and TEL adapter unit connectors.
3. Check continuity between A/C and AV switch harness connector (A) M64 terminals 12, 13, 14 and Tel adapter unit harness connector (B) M102 terminals 17, 18, 19.
  12 - 17 : Continuity should exist.
  
  13 - 18 : Continuity should exist.
  
  14 - 19 : Continuity should exist.
4. Check continuity between A/C and AV switch and ground.
  12, 13, 14 - ground : Continuity should not exist.
  
  Fig 1: Identifying Continuity Between A/C And AV Switch Connector Terminals 12, 13, 14 And Tel Adapter Unit Connector Terminals 17, 18, 19
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK : GO TO 2.

NG : Repair harness or connector.
CHECK HARNESS
1. Disconnect spiral cable connector.
2. Check continuity between TEL adapter unit harness connector (A) M102 terminals 12, 13, 14 and spiral cable harness connector (B) M15 terminals 24, 32, 31.
  12 - 24 : Continuity should exist.
  
  13 - 32 : Continuity should exist.
  
  14 - 31 : Continuity should exist.
3. Check continuity between TEL adapter unit and ground.
  12, 13, 14 - ground : Continuity should not exist.
  
  Fig 2: Identifying Continuity Between TEL Adapter Unit Connector Terminals 12, 13, 14 And Spiral Cable Connector Terminals 24, 32, 31
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK : GO TO 3.

NG : Repair harness or connector.
CHECK SPIRAL CABLE
1. Disconnect spiral cable connector (Audio steering wheel switch harness side).
2. Check continuity between spiral cable connector M15 terminals 24, 31, 32 and spiral cable connector M203 terminals 20, 17, 16.
  24 - 20 : Continuity should exist.
  
  31 - 17 : Continuity should exist.
  
  32 - 16 : Continuity should exist.
OK or NG

OK : GO TO 4.

NG : Replace spiral cable.

Fig 3: Identifying Continuity Between Spiral Cable Connector Terminals 24, 31, 32 And Spiral Cable Connector Terminals 20, 17, 16
Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK AUDIO STEERING WHEEL SWITCH RESISTANCE

Check resistance audio steering wheel switch terminals.

TERMINAL RESISTANCE CHART

Terminal		Signal name	Condition	Resistance (Ω)
16	17	Mode	Depress mode switch.	Approx. 0
		Seek down	Depress (station) down switch.	Approx. 165
		Volume (down)	Depress volume down switch.	Approx. 652
20		PTT	Depress PTT switch.	Approx. 0
		Seek up	Depress (station) up switch.	Approx. 165
		Volume (up)	Depress volume up switch.	Approx. 652

Fig 4: Identifying Resistance Between Audio Steering Wheel Switch Terminals

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK : INSPECTION END

NG : Replace audio steering wheel switch.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.
• Brakes feel soft, pull hard to one side, or make grinding noises.
• The engine overheats, stalls repeatedly, or misfires under load.
• You are missing required tools, torque specs, or safe lifting equipment.
• You are not confident in the next step or safety outcome.