nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Diagnostic Trouble Code Tests and Associated Procedures|Page 977 > < Diagnostic Trouble Code Tests and Associated Procedures|Page 975
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2. Select "MANU TRIG" and "HI SPEED" in "DATA MONITOR" mode with CONSULT, and select "FR O2 SEN-B1" and "FR O2 MNTR-B1".
3. Hold engine speed at 2,000 rpm under no load during the following steps.
4. Touch "RECORD" on CONSULT screen.
5. Check the following.

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"FR O2 MNTR-B1" in "DATA MONITOR" mode changes from "RICH" to "LEAN" to "RICH" 5 times in 10 seconds.

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5 times (cycles) are counted as shown.

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"FR O2 SEN-B1" voltage goes above O.6V at least once.

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"FR O2 SEN-B1" voltage goes below 0.35V at least once.

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The voltage never exceeds 1.OV.

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Maximum voltage should be over O.6V at least one time.

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Minimum voltage should be below 0.35V at least one time.

Without Tools
1. Start engine and warm it up sufficiently.

Diagnostic Trouble Code Tests and Associated Procedures|Page 977 > < Diagnostic Trouble Code Tests and Associated Procedures|Page 975