DTC Detection Logic
ECM controls fuel injection timing and fuel injection quantity when engine is started with the engine cold.
This control promotes the activation of three way catalyst by heating the catalyst and reduces emissions.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P1423 |
COLD START CONTROL (Cold start emission reduction strategy monitoring) |
Diagnosis condition |
-- |
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Signal (terminal) |
-- |
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Threshold |
ECM does not control fuel injection timing properly when engine is started with the engine cold |
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Diagnosis delay time |
-- |
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P1424 |
COLD START CONTROL (Cold start emission reduction strategy monitoring) |
Diagnosis condition |
-- |
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Signal (terminal) |
-- |
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Threshold |
ECM does not control fuel injection quantity properly when engine is started with the engine cold |
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|
Diagnosis delay time |
-- |
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