Operation CHARM
: Car repair manuals for everyone.
Home
>>
Chevy Truck
>>
1999
>>
Tracker 4WD L4-1.6L VIN 6
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Computers and Control Systems
>>
Testing and Inspection
>>
Initial Inspection and Diagnostic Overview
>>
Vehicle On-Board & Scan Tool Diagnostics
>>
Engine Scan Tool Data Definitions
>>
HO2S 1 Ready
HO2S 1 Ready
A Yes display indicates that the
oxygen sensor
is warmed up and is capable of sending useful voltage readings to the
PCM
. A No display indicates a cold (not ready) oxygen sensor.