Maxima GLE V6-3.0L (VQ30DE) (1998)
Without TOOLS
(1) Start engine and warm it up to normal operating temperature.
(2) Set voltmeter probes between ECM terminal (50) RH, (51) LH (sensor signal) and (25) (ECM ground).
(3) Check the following with engine speed held at 2,000 rpm constant under no load.
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Malfunction indicator lamp goes on more than 5 times within 10 seconds in Diagnostic Test Mode II (FRONT HEATED OXYGEN SENSOR
MONITOR).
Electrical Diagrams/Left Bank