Toyota RAV4 manuals

Toyota Sienna Service Manual: On-vehicle inspection

1. CHECK SEAT HEATER CONTROL (WIRE HARNESS SIDE)

CHECK SEAT HEATER CONTROL

  1.  Disconnect the connector from the seat heater control.
  2.  Measure the voltage and resistance of each terminal of the wire harness side connector.

Standard

Standard

If the result is not as specified, there may be a malfunction on the wire harness side or the seat heater switch

Problem symptoms table
HINT: Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of th ...

Inspection
1. INSPECT SEAT HEATER SWITCH LH  Measure the resistance of the seat heater switch when the switch is operated. Resistance If the result is not as specified, replace the switch. ...

Other materials:

Road test
1. PROBLEM SYMPTOM CONFIRMATION  Inspect the SET function.  Turn the cruise control main switch on.  Drive at the required speed between 40 km/h (25 mph) and 200 km/h (125 mph).  Push the cruise control main switch to - (COAST)/SET.  After releasing t ...

AVC-LAN Circuit
DESCRIPTION Each unit of the navigation system connected to the AVC-LAN (communication bus) transfers the signal of each switch by communication. When a short to +B or short to ground occurs in this AVC-LAN, the navigation system will not function normally as the communication is discontin ...

Parking Brake Switch Circuit
DESCRIPTION The Multiplex network body ECU receives parking brake switch signal. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE OF INTELLIGENT TESTER Connect the intelligent tester to DLC3.  Turn the ignition switch ON and push the intelligent tester main switch ON.  Se ...

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