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Time Control Unit Test: Notes

NOTE: Time Control Unit operates many systems in vehicle. The following tests only check the circuits that control wiper delay operation.

The Time Control Unit is used on Maxima and 300ZX models. All tests are made using a voltmeter. Insert voltmeter probes into the REAR of connectors while they are still plugged into control unit. Ensure ignition key is in correct position while testing each circuit. Perform tests in order listed.