Ford Historic (OBD I) Diagnostics

2.Perform the following: 1) Set parking brake.

2) Transmission in park (P) or neutral (N).

3) Turn A/C off.

4) Start engine and let idle until hot.

5) Turn ignition key off.

6) Wait 10 seconds.

7) Turn key on engine off. Do not start engine.

Avoid cooling fan! It may turn on during test.

!CAUTION

The test screen indicates the time remaining. Do not touch vehicle or tools during this time until the next screen appears.

3.Toggle relays and solenoids.

Press the accelerator pedal fully to turn ON relays and solenoids. Do the same to turn them off. This can be repeated as many times as required to locate the fault.

4.Return to On Demand Test Menu.

•Turn the ignition key off. •Press BACK.

Output Switch Test

Precedure runs less

than 3 minutes.

Time remaining: 2:35

Output Switch Test

Relays & soleniods are *Off*.

Depress release throttle fully to turn on.

6

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Actron CP9190 manual Perform the following 1 Set parking brake, Toggle relays and solenoids, Return to On Demand Test Menu