Special Notes

When preparing to perform the Key On Engine Off (KOEO) self-test. Be aware of the following conditions:

• If the engine starts but stalls, or stalls during Self-Test. Go to CIRCUIT TEST D19 - SYSTEM CHECK  , step 1).
• On vehicles equipped with the Brake On/Off Switch (BOO), the brake pedal MUST be depressed and released AFTER the ID code.
• On vehicles equipped with the Power Steering Pressure Switch (PSPS), within 1 to 2 seconds after the ID code, the steering wheel must be turned at least one-half turn and released. On vehicles equipped with E40D transmission, the Overdrive Cancel Switch (OCS) must be cycled after the ID code.
• The Dynamic Response code is a single pulse (or a 10 code on the Scan Tester) that occurs 6-20 seconds after the engine running identification code. See DYNAMIC RESPONSE OR WIDE OPEN THROTTLE (WOT) CHECK  .
• When the Dynamic Response code occurs, perform a brief wide-open throttle.
• Code Output [Engine ID-Dynamic Response-Engine Running] display description. Example: for a code display of 2(0)-1(0)-11, the first number 2 is Engine ID, this 2 indicates a four cylinder. The second number is a Dynamic Response code 10, and the third number is a Engine Running code 11. Also, see ENGINE ID CODES  .