| Circuit Diagram |

Signal Waveform
Inspection1.Connect the GDS on the Data Link Connector (DLC).2.Measure the output voltage of the MAPS at idle and IG ON. Specification : Refer to "Specification"Removal 1.
InspectionOperating Logic Test (Manual only)Inspect the PTC operation by confirmation logic as follows.1.Entering(1)Set the Floor mode and maximum heating position.(2)Turn off the blower switch.(3)Press the intake (recirculation) button 5 times or more.
Replacement1.Remove the battery (-) terminal.2.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")3.Remove the heater hose (A) and AEWP hose (B).4.Disconnect the lock pin to remove the heater hose pump connector (A).