Operation CHARM: Car repair manuals for everyone.
Home >> Mazda >> 1994 >> RX7 2RTR-1308cc 80 >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Electric Fan Control System >> System Inspection
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System Inspection


System Inspection
1. Connect the data link connector terminals TFA and GND with a jumper wire.
2. Turn ignition switch ON.




3. Verify that electrical coolant fans operate.

Relay Inspection
1. Connect the special service tool (SST) (Engine Signal Monitor Adaptor Harness) to the powertrain control module engine (PCME).
2. Turn ignition switch ON.
3. Short the PCME terminals and verify that the coolant fan relays operate as described below.




Relay Operation

4. If not as specified, check the harness and relays.

Refer to: Cooling System/ Cooling Fan Motor Relay.
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