Chrysler 2005 Crossfire SRT6 Service Manual page 2053

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(P0131) O2 SENSOR 1/1 CIRCUIT LOW (CONTINUED)
9.
JUMPER THE O2 SENSOR
With the ignition off.
Disconnect the O2 Sensor harness connector of the affected O2 Sen-
sor.
Note: Check connectors — Clean/repair as necessary.
Turn the ignition on.
Connect a jumper wire between ground and the O2 Sensor Signal cir-
cuit.
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 10
No >> Go To 11
10.
O2 SENSOR SIGNAL CIRCUIT OPEN
Turn the ignition off.
Disconnect the PCM harness connectors.
Note: Check connectors — Clean/repair as necessary.
Measure the resistance of the O2 Sensor Signal circuit from the O2
Sensor harness connector to the PCM harness connector.
Is the resistance below 5.0 ohms?
Yes >> Replace and program the Powertrain Control Module.
(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES/POWERTRAIN
REMOVAL).
Perform POWERTRAIN VERIFICATION TEST - VER 2.
No >> Repair the O2 Sensor Signal circuit for an open.
Perform POWERTRAIN VERIFICATION TEST - VER 2.
ENGINE - ELECTRICAL DIAGNOSTICS 9 - 129
CONTROL MODULE -