Accord LX Coupe L4-2254cc 2.3L SOHC (VTEC) MFI (1998)
Radiator Cooling Fan Temperature Sensor / Switch: Testing and Inspection
Radiator Fan Switch Circuit
1. Disconnect the radiator fan switch connector.
2. Turn the ignition switch ON (II).
3. Measure the voltage between the No. 2 terminal on the radiator fan switch connector and body ground.
Is there battery voltage?
YES-Go to step 4.
NO-Repair open in the GRN wire between the radiator fan switch connector and under-hood fuse/relay box.
4. Turn the ignition switch OFF, and check for continuity between the No. 1 terminal on the radiator fan switch connector and body ground.
Is there continuity?
YES-Go to step 5.
NO-Check for an open in the BLK wire between the radiator fan switch connector and body ground. If the wire is OK, check for a poor ground
at G101.
5. Check the cooling system.
Is the cooling system OK?
YES-Replace the radiator fan switch.
NO-Repair the cooling system.