Power Supply (Except 944 Turbo Models)
Pull back plug seal of airflow sensor plug (plug remains connected). Connect voltmeter on terminal No. 3 and ground through back of plug. Reading should be approximately 5 1/2 to 6 1/2 volts.
Pull back plug seal of airflow sensor plug (plug remains connected). Connect voltmeter on terminal No. 3 and ground through back of plug. Reading should be approximately 5 1/2 to 6 1/2 volts.