With Manual Transaxle

SYSTEM INSPECTION
1. Position the vehicle on a chassis roller and start the engine.
2. Shift the transaxle into other than Neutral and release the clutch pedal.
3. Turn the A/C switch and the fan switch to on
4. Fully open the throttle valve. Then, 3-6 seconds after, check if the operation sound of the A/C compressor electromagnetic clutch is heard.
5. If the operation sound is not heard, do as follows.

New Generation Star (NGS) Tester Connected To DLC-2:

a. Connect the SST to the data link connector-2.
b. Turn the A/C relay from OFF to ON by using the "SIMULATION TEST" function and check for the operation sound of the relay.
I. If the operation sound is heard, check the following.
^ ECM terminal voltage
^ Load/no load judgement signal
^ Closed throttle position switch signal

II. If the operation sound is not heard, check the following.
^ A/C relay
^ Open circuit in Wiring harnesses and connectors (Main relay - A/C relay - ECM)