Chrysler 2005 Crossfire SRT6 Service Manual page 2050

9 - 126 ENGINE - ELECTRICAL DIAGNOSTICS
(P0131) O2 SENSOR 1/1 CIRCUIT LOW (CONTINUED)
2.
MONITOR THE O2 SENSOR VOLTAGE
Turn the ignition on.
With the DRB III , monitor the O2 Sensor Signal voltage of the
affected Sensor.
Is the O2 Sensor voltage above 1.4 volts or below 0.15 volt?
Yes >> If the value is greater than 1.4 volts, Go To 4
If the value is less than 0.15 volt, Go To 6
No >> Go To 3
3.
O2 SENSOR VOLTAGE
Start the engine.
Operate the engine above 1200 RPM for 3 minutes and 40 seconds.
With the DRB III , monitor the O2 Sensor Signal voltage.
Does the O2 Sensor voltage stay between 0.4 and 0.6 volt?
Yes >> Go To 12
No >> Go To 8
4.
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 below 1.4 volts?
Yes >> Replace the affected O2 Sensor. (Refer to 14 - FUEL
SYSTEM/FUEL INJECTION/O2 SENSOR - REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> Go To 5
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