Chrysler 2005 Crossfire SRT6 Service Manual page 2089

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(P0137) O2 SENSOR 2/2 ABOVE THRESHOLD (CONTINUED)
When Monitored and Set Condition
• When Monitored: Start and drive vehicle greater than 32 km/h (20 MPH) and less than 89 km/h (55 MPH).
Throttle open for a minimum 120 seconds. Coolant Temp greater than 70°C (158°F) and Catalytic Converter
Temperature greater than 600°C (1112°F).
• Set Condition: The O2 sensor voltage switches only 11 times or less from lean to rich within 20 seconds during
monitoring. Two Trip Fault.
EXHAUST LEAK
O2 SENSOR SIGNAL CIRCUIT SHORT TO VOLTAGE
O2 SENSOR SIGNAL CIRCUIT SHORT TO GROUND
O2 SENSOR SIGNAL CIRCUIT OPEN
O2 SENSOR GROUND CIRCUIT SHORT TO VOLTAGE
O2 SENSOR GROUND CIRCUIT SHORT TO GROUND
O2 SENSOR GROUND CIRCUIT OPEN
O2 SENSOR
For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA-
GRAMS).
Diagnostic Test
1.
PRE-DIAGNOSTIC CHECK OUT
Note: Always perform diagnostics with a fully charged battery.
Note: Check connectors — Clean/repair as necessary. Poor pin to
terminal connections can set DTCs.
Note: Check for applicable TSBs related to the problem.
Turn the ignition on.
With the DRB III , read PCM DTCs.
Using the wiring diagram/schematic as a guide, inspect the wiring and
connectors. Repair as necessary.
Perform this procedure prior to symptom diagnosis.
Continue
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ENGINE - ELECTRICAL DIAGNOSTICS 9 - 165
POSSIBLE CAUSES