Chrysler 2005 Crossfire SRT6 Service Manual page 2054

9 - 130 ENGINE - ELECTRICAL DIAGNOSTICS
(P0131) O2 SENSOR 1/1 CIRCUIT LOW (CONTINUED)
11.
SENSOR GROUND CIRCUIT OPEN
Turn the ignition off.
Disconnect the PCM harness connectors.
Note: Check connectors — Clean/repair as necessary.
Measure the resistance of the Sensor Ground circuit from the O2 Sen-
sor harness connector to the PCM harness connector.
Is the resistance below 5.0 ohms?
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 Oxygen Sensor if none of the above condi-
tions are present. (Refer to 14 - FUEL SYSTEM/FUEL
INJECTION/O2 SENSOR - REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> Repair the Sensor Ground circuit for an open.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
12.
INTERMITTENT WIRING AND CONNECTORS
The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for a possible
intermittent condition.
Note: Check connectors — Clean/repair as necessary. Poor pin to terminal connections can set DTCs. Using
the wiring diagram/schematic as a guide, inspect the wiring and connectors specific to this DTC. Wiggle the
wires while checking for shorts and open circuits.
Note: Check for any Technical Service Bulletins that may apply.
Were there any problems found?
Yes >> Repair as necessary.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for
a possible intermittent condition.
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