Ford Historic (OBD I) Diagnostics

!WARNING

!CAUTION

!CAUTION

Exhaust gases are harmful or lethal. Always operate vehicle in a well-ventilated area.

The KOER test is done with the engine running. Do not over-rev engine. Observe all safety precautions.

Avoid cooling fan! It may turn on during test.

From the Diagnostic Codes Menu:

1. Select Read KOER Codes

 

 

 

 

 

Diagnostic Codes Menu

 

• Use

UP or DOWN arrow

 

Read KOEO Codes

 

key until Read KOER Codes is



Read KOER Codes

 

 

 

Erase Codes

 

highlighted.

 

IVSC Speed Ctrl



•Press

ENTER.

 

Review Data

 

Print Data

Code Lookup

 

2. Select Fast Codes, Slow

 

 

Codes or Computed Timing.

Select Code Type

 

• Use

UP or DOWN arrow

￿ Fast Codes

 

key until desired chioce is

Slow Codes

 

highlighted.

Computed Timing

6

•Press

ENTER.

 

Follow the instructions step-by-step. Failure to perform these steps may set a false DTC in the PCM — observe the display.

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. Start engine and let idle.

7)If vehicle is equipped with a manual transmission, release clutch.

3.After performing steps.

•Press ENTER to activate the self-test.

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Actron CP9190 manual From the Diagnostic Codes Menu Select Read Koer Codes, Key until Read Koer Codes is