Precaution - Trouble Diagnosis

PRECAUTIONS
^ Perform trouble diagnoses as shown.

1) Perform preliminary check. (Determine proper cause of trouble.)
2) Using self-diagnosing system, check each sensor circuit and air mix door position.
3) Perform trouble diagnoses according to phenomena of trouble.

^ Use checking resistor when inspecting power servo and solenoid valve, etc.
^ Disconnect auto A/C harness connectors that are connected to main harness and connect checking resistor as shown in figure.

Auto A/C Main Harness - Trouble Diagnosis:

^ Use checking resistor when inspecting portions with asterisk (*C/R) in flow chart.