mazda Workshop Repair Guides

Mazda Workshop Service and Repair Manuals

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PTC Relay <--> [EFE Relay] > < PTC Coolant Temperature Switch <--> [EFE Coolant Temperature Switch]|Testing and Inspection

323 L4-1600 1597cc (1986)

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EFE Heater: Testing and Inspection

Fig. 8 Testing PTC Heater.

1.

Disconnect the PTC heater connector.

2.

Connect an ohmmeter to the terminals of the heater Fig. 8.

3.

Make sure continuity exists.

PTC Relay <--> [EFE Relay] > < PTC Coolant Temperature Switch <--> [EFE Coolant Temperature Switch]|Testing and Inspection