Trouble Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

CHECK REAR AIR CONTROL (REAR) REAR AUX BLOWER POT REFERENCE VOLTAGE

Turn ignition switch OFF.
Disconnect rear air control (rear) harness connector.
Turn ignition switch ON.

Check voltage between rear air control (rear) harness connector M208 terminal 6 and ground.

Connector	Terminals		Voltage (Approx.)
Connector	(+)	(-)	Voltage (Approx.)
Rear air control (rear): M208	6	Ground	5V

Fig 1: Checking Voltage Between Rear Air Control (Rear) Harness Connector M208 Terminal 6 And Ground

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: GO TO 2.

NO: GO TO 3.

CHECK REAR AIR CONTROL (REAR) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between rear air control (rear) harness connector M208 terminal 1 and ground.
  Continuity should exist .
  
  Fig 2: Checking Continuity Between Rear Air Control (Rear) Harness Connector M208 Terminal 1 And Ground
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  Is the inspection result normal?
  
  YES: Replace rear air control (rear). Refer to "REMOVAL AND INSTALLATION ".
  
  NO: Repair harness or connector.
CHECK REAR AIR CONTROL (REAR) REAR AUX BLOWER POT FOR SHORT
1. Turn ignition switch OFF.
2. Check continuity between rear air control (rear) harness connector M208 terminal 6 and ground.
  Continuity should not exist .
  
  Fig 3: Checking Continuity Between Rear Air Control (Rear) Harness Connector M208 Terminal 6 And Ground
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  Is the inspection result normal?
  
  YES: GO TO 4.
  
  NO: Repair harness or connector.
CHECK REAR AIR CONTROL (REAR) REAR AUX BLOWER POT BETWEEN A/C AUTO AMP. AND REAR AIR CONTROL REAR
1. Disconnect A/C auto amp. harness connector.
2. Check continuity between A/C auto amp. harness connector M50 (A) terminal 52 and rear air control (rear) harness connector M208 (B) terminal 6.
  Continuity should exist .
  
  Fig 4: Checking Continuity Between A/C Auto Amp. Harness Connector M50 Terminal 52 And Rear Air Control (Rear) Harness Connector M208 Terminal 6
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  Is the inspection result normal?
  
  YES: Replace A/C auto amp. Refer to "REMOVAL AND INSTALLATION ".
  
  NO: Repair harness or connector.