Symptom
|
Diagnostic procedure
|
Also check for
|
|
---|---|---|---|
Engine will not start (MIL works OK, no DTCs set)
|
1.
2.
3.
4.
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Engine will not start (MIL comes on and stays on, no DTCs set)
|
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||
MIL comes on and stays on, or never comes on at all, no DTCs set
|
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Engine will not start (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes)
|
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Engine starts but stalls immediately (MIL works OK, no DTCs set, immobilizer indicator stays on or flashes)
|
|
||
Engine is hard starting (MIL works OK, no DTCs set)
|
1.
2.
3.
|
|
|
Cold fast idle too low (MIL works OK, no DTCs set)
|
1.
2.
3.
|
Incorrect valve adjustment
|
|
Cold fast idle too high (MIL works OK, no DTCs set)
|
1.
2.
3.
|
Incorrect valve adjustment
|
|
After warming up, idle speed is below specifications without load (MIL works OK, no DTCs set)
|
1.
2.
|
|
|
After warming up, idle speed is above specifications without load (MIL works OK, no DTCs set)
|
1.
2.
|
Intake vacuum leaks
|
|
Idle speed fluctuates (MIL works OK, no DTCs set)
|
1.
2.
3.
4.
5.
6.
7.
8.
|
Except KP (Argentina), KX models:
Test the injectors.
|
|
Misfire or rough running (MIL works OK, no DTCs set)
|
1.
2.
3.
4.
5.
|
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|
Fails emission test (MIL works OK, no DTCs set)
|
1.
2.
3.
4.
5.
6.
|
Except KP (Argentina), KX models:
Inspect the three way catalytic converter (TWC).
Except KP (Argentina), KX models:
Check the spark plugs.
Except KP (Argentina), KX models:
Test the injectors.
|
|
Low power (MIL works OK, no DTCs set)
|
1.
2.
3.
4.
5.
6.
|
Except KP (Argentina), KX models:
Inspect the three way catalytic converter (TWC).
|
|
Engine stalls (MIL works OK, no DTCs set)
|
1.
2.
3.
4.
5.
6.
|
Except KP (Argentina), KX models:
Check the spark plugs.
|
|
Difficult to refuel
|
|||
HDS does not communicate with the ECM/PCM or the vehicle
|