Component Function Check

Component Function Check

1. CHECK FUNCTION

   1. Check that cushion heater RH warms to the preset temperature when operating the heated seat switch RH to HIGH and LOW.

   Is the inspection result normal?

   YES>>

   Cushion heater RH function is OK.

   NO>>

   Refer to Diagnosis Procedure.

Diagnosis Procedure

Diagnosis Procedure

1. CHECK FRONT SEAT HEATER RH POWER SUPPLY

   1. 1. Ignition switch ON.

      2. Check voltage between front seat heater RH harness connector and ground.

         (+)		(–)	Condition		Voltage (Approx.)
         Front seat heater RH
         Connector	Terminal
         B13	3	Ground	Heated seat switch RH (HIGH)	ON	Battery voltage
         				Other than above	0 V
         	4		Heated seat switch RH (LOW)	ON	Battery voltage
         				Other than above	0 V

   Is the inspection result normal?

   YES>>

   GO TO 3.

   NO>>

   GO TO 2.

2. CHECK FRONT SEAT HEATER RH CIRCUIT

   1. 1. Turn heated seat switch OFF.

      2. Ignition switch OFF.

      3. Disconnect front seat heater RH connector, heated seat RH low relay connector and heated seat RH high relay connector.

      4. Check continuity between front seat heater RH harness connector, heated seat RH low relay harness connector and heated seat RH high relay harness connector.

         Front seat heater RH		Heated seat RH relay			Continuity
         Connector	Terminal	Connector		Terminal
         B13	3	High	M144	3	Yes
         	4	Low	M147

      5. Check continuity between front seat heater RH harness connector and ground.

         Front seat heater RH		(–)	Continuity
         Connector	Terminal
         B13	3	Ground	No
         	4

   Is the inspection result normal?

   YES>>

   Replace corresponding heated seat RH relay.

   NO>>

   Repair or replace harness.

3. CHECK FRONT SEAT HEATER RH GROUND CIRCUIT

   1. 1. Ignition switch OFF.

      2. Disconnect front seat heater RH connector.

      3. Check continuity between front seat heater RH harness connector and ground.

         Front seat heater RH		(–)	Continuity
         Connector	Terminal
         B13	6	Ground	Yes

   Is the inspection result normal?

   YES>>

   Replace front seat heater RH. Refer to Exploded View.

   NO>>

   Repair or replace harness.