MX-5 Miata L4-1.8L DOHC (1996)
-
Start the engine and let it idle.
-
Verify that the condenser fan is not operating.
-
If the condenser fan is operating, check the short circuit in wiring between condenser fan relay and ECM terminal 1B.
-
Turn the A/C switch and blower switch on.
-
Verify that the condenser fan is operating.
-
Turn the A/C switch and blower switch off.
-
If the condenser fan does not operate do as follows:
-
Connect the SSTs (NGS) to the data link connector-2.
-
Select the SIMULATION TEST function on the NGS display.
-
Turn the condenser fan relay from OFF to ON by using the "FANN" and check for the condenser fan operation.
-
If the condenser fan operates, check the following:
- ECM terminal voltage
- A/C signal
-
If the condenser fan does not operate, do as follows:
- Turn the condenser fan relay from OFF to ON by using the simulation function. Operate the condenser fan relay and check if the
operation sound of the relay is heard.
- If the operation sound is heard, check the following:
- Wiring harness and connectors (Condenser fan relay - Condenser fan motor)
- Condenser fan motor
- If the operation sound is not heard, check the following:
- Condenser fan relay
- Open circuit in wiring harness and connectors (Main relay - Condenser fan relay - ECM)