Checking the control module

Check the relay coil driver circuit for a short-circuit to supply voltage by measuring the voltage at terminal #2 in the relay base.

HINT: The voltage between terminal #2 and ground should be approximately 0 V. 

Fig 2: Identifying Voltage Display

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Fig 3: Identifying Relays

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Replace the control module if the voltmeter displays an incorrect value.

Other information 

• See Checking wiring and terminals .

Refer to Verification