DTC Confirmation Procedure

PRECONDITIONING
If DTC Confirmation Procedure has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

>> GO TO 2.
PERFORM DTC CONFIRMATION PROCEDURE-I
1. Clear the mixture ratio self-learning value. Refer to "MIXTURE RATIO SELF-LEARNING VALUE CLEAR: SPECIAL REPAIR REQUIREMENT ".
2. Start engine.
  Is it difficult to start engine?
  
  YES >> GO TO 3.
  
  NO >> GO TO 4.
RESTART ENGINE
If it is difficult to start engine, the fuel injection system has a malfunction, too.

Crank engine while depressing accelerator pedal.

NOTE: When depressing accelerator pedal three-fourths (3/4) or more, the control system does not start the engine. Do not depress accelerator pedal too much.

Does engine start?

YES >> Go to "DIAGNOSIS PROCEDURE ".

NO >> Check exhaust and intake air leak visually.
PERFORM DTC CONFIRMATION PROCEDURE-II
1. Start engine and let it idle for at least 5 minutes.
2. Check 1st trip DTC.
  Is 1st trip DTC detected?
  
  YES >> Go to "DIAGNOSIS PROCEDURE ".
  
  NO >> GO TO 5.
PERFORM DTC CONFIRMATION PROCEDURE-III
1. Turn ignition switch OFF and wait at least 10 seconds.
2. Start engine.
3. Maintain the following conditions for at least 10 consecutive minutes. Hold the accelerator pedal as steady as possible.
  
  VHCL SPEED SE 50 - 120 km/h (31 - 75 MPH)
  
  CAUTION: Always drive vehicle at a safe speed.
Check 1st trip DTC.
Is 1st trip DTC detected?

YES >> Go to "DIAGNOSIS PROCEDURE ".

NO >> INSPECTION END