P0343 / INF886

P0343-886

Description
The hybrid vehicle control ECU receives three engine speed signals such as NEI signal, GI signal and ENE signal from the ECM. ENE signal is computed from crankshaft position sensor (POS) signal, GI signal and NEI signal are from both sensor signals. ENE signal is sent through CAN communication line. The hybrid vehicle control ECU compares NEI signal and GI signal with ENE signal. If NEI signal or GI signal is extremely low, the hybrid vehicle control ECU detects a malfunction.

DTC Logic

DTC Detection Logic






DTC Confirmation Procedure

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Diagnostic Procedure

Step 1-2:

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