Chrysler 2005 Crossfire SRT6 Service Manual page 2051

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(P0131) O2 SENSOR 1/1 CIRCUIT LOW (CONTINUED)
5.
O2 SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
With the ignition on.
With the DRB III , monitor the O2 Sensor Signal voltage.
Is the O2 Sensor voltage above 2.0 volts?
Yes >> Repair the O2 Sensor Signal circuit for a short to voltage.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> Replace and program the Powertrain Control Module.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES/POWERTRAIN
REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
6.
DISCONNECT THE O2 SENSOR
Turn the ignition off.
Disconnect the O2 Sensor harness connector of the affected sensor.
Note: Check connectors — Clean/repair as necessary.
Turn the ignition on.
With the DRB III , monitor the O2 Sensor Signal voltage.
Is the O2 Sensor voltage above 0.15 volt?
Yes >>
Note: Determine the cause of any contamination before replacing
the sensor. Inspect for the following before replacing the O2 Sen-
sor.
• Fuel contamination.
• Engine oil or coolant consumption.
• Use of improper RTV sealant.
Replace the O2 Sensor if none of the above conditions are present. (Refer to 14 - FUEL SYSTEM/
FUEL INJECTION/O2 SENSOR - REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> Go To 7
ENGINE - ELECTRICAL DIAGNOSTICS 9 - 127
CONTROL MODULE -