Nissan and Datsun Workshop Service and Repair Manuals > Maxima V6-2960cc 3.0L SOHC MFI (VG30E) (1990) > Powertrain Management | Relays and Modules - Powertrain Management | Relays and Modules - Computers and Control Systems | Polarity Protection Relay, ECM | Component Information

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Polarity Protection Relay: Testing and Inspection

Relay Test

Apply voltage to the relay and check continuity as shown.
Replace the relay if it fails the above test.

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