DTC Detection Logic
WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
- ECM back up system does not function properly.
- EEPROM (built-in microcomputer) system internal ECM does not function properly.
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DTC |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
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P0603 |
ECM BACK UP/CIRCUIT [Internal Control Module Keep Alive Memory (KAM) Error] |
Diagnosis condition |
Ignition switch ON |
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Signal (terminal) |
- |
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Threshold |
ECM back up system does not function properly |
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Diagnosis delay time |
- |
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P062F |
CONTROL MODULE (Internal control module EEPROM error) |
Diagnosis condition |
Start engine and let it idle |
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Signal (terminal) |
- |
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|
Threshold |
EEPROM (built-in microcomputer) system internal ECM does not function properly |
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Diagnosis delay time |
- |
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