Diagnosis Procedure

Regarding Wiring Diagram information, refer to WIRING DIAGRAM - JAPAN PRODUCTION , or WIRING DIAGRAM - USA PRODUCTION .

1. CHECK RECLINING MOTOR LH POWER SUPPLY
   
   

   CONSULT

   1. Turn the ignition switch to ACC.
   2. Perform "SEAT RECLINING" in "Active Test" mode of "AUTO DRIVE POS." See STEP  1.
   3. Check voltage between driver seat control unit harness connector and ground.

      (+)		(-)	Condition		Voltage (V) (Approx.)
      Driver seat control unit
      Connector	Terminal
      B214	43	Ground	SEAT RECLINING	OFF	0
      				FR (forward)	Battery voltage
      				RR (backward)	0
      	35			OFF	0
      				FR (forward)	0
      				RR (backward)	Battery voltage

   Is the inspection result normal?

   YES 

   Replace reclining motor LH. Refer to EXPLODED VIEW WITH TORQUE SPECIFICATIONS.

   NO 

   GO TO STEP 2  .

2. CHECK RECLINING MOTOR LH CIRCUIT
   
   
   1. Turn ignition switch OFF.
   2. Disconnect driver seat control unit and reclining motor LH.
   3. Check continuity between driver seat control unit harness connector and reclining motor LH harness connector.

      Driver seat control unit		Reclining motor LH		Continuity
      Connector	Terminal	Connector	Terminal
      B214	35	B217	5	Yes
      	43		1

   4. Check continuity between driver seat control unit harness connector and ground.

      Driver seat control unit		Ground	Continuity
      Connector	Terminal
      B214	35		No
      	43

   Is the inspection result normal?

   YES 

   GO TO STEP 3. 

   NO 

   Repair or replace harness.

3. CHECK INTERMITTENT INCIDENT
   
   

   Refer to INTERMITTENT INCIDENT .

   Is the inspection result normal?

   YES 

   Replace driver seat control unit. Refer to REMOVAL AND INSTALLATION .

   NO 

   Repair or replace the malfunctioning part.