Diagnostics: Air Conditioning

How To Proceed With Troubleshooting Customer Problem Analysis Check Pre-Check Diagnostic Trouble Code Chart Terminals Of ECU Problem Symptoms Table 11 Room Temperature Sensor Circuit 12 Ambient Temperature Sensor Circuit 13 Evaporator Temperature Sensor Circuit 14 Engine Coolant Temperature Sensor Circuit 21 Solar Sensor Circuit 23 Pressure Switch Circuit 31, 41 Air Mix Damper Position Sensor Circuit 32, 42 Air Inlet Damper Position Sensor Circuit 41 Air Mix Control Servomotor Circuit 42 Air Inlet Control Servomotor Circuit Air Outlet Control Servomotor Circuit IG Power Source Circuit Back Up Power Source Circuit Heater Main Relay Circuit Blower Motor Circuit Compressor Circuit