On-Vehicle Inspection

ON-VEHICLE INSPECTION




1. INSPECT SEAT HEATER CIRCUIT (W/O SEAT VENTILATOR)
a. Disconnect the connector from the seat heater controller.
b. Measure the voltage according to the value(s) in the table.







If the voltage is not as specified, repair or replace the wire harness or connector.

c. Measure the resistance according to the value(s) in the table.







If the resistance is not as specified, repair or replace the wire harness or connector.







2. INSPECT SEAT HEATER SWITCH CIRCUIT (W/O SEAT VENTILATOR)
a. Disconnect the seat heater switch connector.
b. Measure the voltage according to the value(s) in the table.
If the voltage is not as specified, repair or replace the wire harness or connector.




c. Measure the resistance according to the value(s) in the table.
If the resistance is not as specified, repair or replace the wire harness or connector.




3. INSPECT SEAT VENTILATOR CIRCUIT
a. Disconnect the seat ventilator connectors.
b. Measure the resistance according to the value(s) in the table.







If the continuity is not as specified, repair or replace the wire harness or connector.

c. Measure the voltage according to the value(s) in the table.







If the voltage is not as specified, repair or replace the wire harness or connector.

d. Measure the voltage according to the value(s) in the table.







If the voltage is not as specified, inspect the seat ventilator/ heater switch (heater control housing) and wire harness or connector according to the problem symptoms table.





*1: Waveform

HINT: Waveform varies with the blower level.