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Home >> Chevrolet >> 2021 >> Trailblazer RS, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Controls And Fuel - 1.0L (L4B L4F L4G LIJ) Or 1.2L (L4H L4K LIF LIH) - Diagnostic Information And Procedures (2 Of 2)) >> Diagnostic Information and Procedures >> DTC P146B >> Typical Scan Tool Data

Typical Scan Tool Data

WARNING: This page is about a different variant/trim than selected.
EVAP Purge Pump Pressure Sensor

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Ignition = On & Engine = Off
Parameter Normal Range:  1.1 to 1.4 V
5 V Reference 0.0 V 0.0 V 4.2 to 5.0 V
Signal 0.0 V 0.0 V 5.0 V
Low Reference - 4.96 V -
Fuel Tank Pressure Sensor

Circuit Short to Ground Open Short to Voltage
Operating Conditions:  Ignition = On & Engine = Off
Parameter Normal Range:  1.3 to 1.7 V
5 V Reference 0.0 V 0.0 V 4.2 to 5.0 V
Signal 0.0 V 0.0 V 5.0 V
Low Reference - 4.96 V -
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