Chrysler 2005 Crossfire SRT6 Service Manual page 2130

9 - 206 ENGINE - ELECTRICAL DIAGNOSTICS
(P0155) O2 SENSOR 2/1 HEATER CIRCUIT LOW (CONTINUED)
When Monitored and Set Condition
• When Monitored: Engine Running and Heater duty cycle greater than 0%
• Set Condition: The PCM detects the O2 Heater voltage is out of acceptable range. Below 0.0926 volt.
O2 HEATER CONTROL SHORT TO GROUND
O2 HEATER ELEMENT
POWERTRAIN CONTROL MODULE
For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA-
GRAMS).
Diagnostic Test
1.
CHECK FOR CURRENT DTC
Turn the ignition on.
With the DRB III , read PCM DTCs.
Is this DTC present?
Yes >> For complete diagnosis of this DTC, refer to (P0135) O2
SENSOR 1/1 HEATER CIRCUIT LOW.
No >> Go To 2
2.
INTERMITTENT WIRING AND CONNECTORS
The conditions necessary to set this DTC are not present at this time.
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.
POSSIBLE CAUSES
ZH