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HEATED SEAT SE-155 C D E F G H J K L M A B SE Rear Heated Seat Switch Low Circuit Inspection EIS003W3 1. CHECK REAR HEATER SWITCH POWER SUPPLY 1. Turn ignition switch ON. 2. Check voltage between rear power seat control unit connector OK or NG OK >> Replace rear power seat control unit. NG >> When turn ignition switch ON and heater switch LOW, check the following. ● When voltage is approx. 0V, GO TO 2. ● When voltage is approx. 5V, GO TO 3. 2. CHECK REAR POWER SEAT SWITCH (HEATER SWITCH) HEATER HARNESS 1. Turn ignition switch OFF. 2. Disconnect rear seat control unit connector and rear power seat 3. Check continuity between rear seat control unit connector B163 OK or NG OK >> Replace rear power seat control unit. NG >> Repair or replace harness between rear power seat con- trol unit and rear power seat switch (heater switch). 3. CHECK REAR POWER SEAT SWITCH (HEATER SWITCH) HEATER HARNESS 1. Turn ignition switch OFF. 2. Disconnect rear power seat control unit connector and rear 3. Check continuity between rear power seat control unit connector OK or NG OK >> GO TO 4. NG >> Repair or replace harness between rear power seat control unit and rear power seat switch (heater switch). Con- nector Terminal (Wire color) Condition Voltage (V) (Approx.) (+) (–) B163 (LH), B363 (RH) 32 (LG/W) Ground Turn ignition switch ON. 0 Heater switch OFF. 5 PIIA4043E 32 (LG/W) − Ground :Continuity should not exist PIIA4044E Rear seat LH 32 (LG/W) − 5 (L/W) :Continuity should exist Rear seat RH 32 (LG/W) − 6 (Y/R) :Continuity should exist PIIA4045E |