Others

Battery voltage

10.5 V or more

Ignition switch

ON (for 5 seconds or more)

TYPICAL MALFUNCTION THRESHOLDS

P2238 (Open circuit between A1A+ and A1A-):

A/F sensor admittance

Below 0.022 1/Q

P2238 (Short circuit between A1A+ and GND):

A1A+ terminal voltage

0.5 V or less

P2238 (Short circuit between A1A+ and A1A-):

Difference between A1A+ and A1A- terminal voltages

0.1 V or less

P2239 (Short circuit between A1A+ and +B):

A1A+ terminal voltage

More than 4.5 V

P2252 (Short circuit between A1A- and GND):

A1A- terminal voltage

0.5 V or less

P2253 (Short circuit between A1A- and +B):

A1A- terminal voltage

More than 4.5 V

DIY Battery Repair

DIY Battery Repair

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