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Nissan-Datsun
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2004
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Quest SL
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Repair and Diagnosis
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Engine Performance
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System
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Engine Control System
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DTC P0122, P0123: TP Sensor
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On Board Diagnosis Logic
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Fail-Safe Mode
Fail-Safe Mode
When the malfunction is detected, ECM enters fail-safe mode and the MIL lights up.
Fig 1: Fail-Safe Mode Chart
Courtesy of NISSAN MOTOR CO., U.S.A.
Courtesy of NISSAN MOTOR CO., U.S.A.