BOSE Speaker Amp. Inspection

WARNING: This page is about a different car, the 2005 Infiniti FX45 and 2005 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK HARNESS
1. Disconnect audio unit connector and BOSE speaker amp. connector.
2. Check continuity between audio unit harness connector M59 terminal 12 (G/W) and BOSE speaker amp. harness connector B213 terminal 31 (P).
  1. 12(GW) - 31 (P): Continuity should exist.
3. Check continuity between audio unit harness connector M59 terminal 12 (G/W) and ground.
  1. 12 (GW) - Ground: Continuity should not exist.
Fig 1: Checking Continuity Between Audio Unit Harness Connector M59 Terminal 12 (G/W) And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : GO TO 2.
2. NG : Repair harness or connector.
CHECK AMP. ON SIGNAL
1. Connect audio unit connector.
2. Turn the ignition switch ACC.
3. Check voltage between audio unit harness connector M59 terminal 12 (G/W) and ground.
  1. 12 (G/W) - Ground : Approx. 12V
OK or NG
1. OK : INSPECTION END (System is OK.)
2. NG : Replace audio unit.
Fig 2: Checking Voltage Between Audio Unit Harness Connector M59 Terminal 12 (G/W) And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.