Chrysler Crossfire. Manual — part 503

(P0135) O2 SENSOR 1/1 HEATER CIRCUIT HIGH (CONTINUED)

7.

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.

ZH

ENGINE - ELECTRICAL DIAGNOSTICS

9 - 157

(P0135) O2 SENSOR 1/1 HEATER CIRCUIT OPEN

9 - 158

ENGINE - ELECTRICAL DIAGNOSTICS

ZH

(P0135) O2 SENSOR 1/1 HEATER CIRCUIT OPEN (CONTINUED)

When Monitored and Set Condition

•

When Monitored: Engine Running and Heater duty cycle greater than 0%.

•

Set Condition: O2 Heater Temperature does not reach 575°C (959°F) within 90 seconds during monitoring
conditions. Two Trip Fault.

POSSIBLE CAUSES

O2 HEATER ELEMENT

FUSED ENGINE CONTROL RELAY OUTPUT CIRCUIT OPEN

O2 HEATER CONTROL CIRCUIT OPEN

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

T

, read PCM DTCs.

Is this DTC present?

Yes

>> For complete diagnosis of this DTC, refer to (P0135) O2

SENSOR 1/1 HEATER CIRCUIT HIGH

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.

ZH

ENGINE - ELECTRICAL DIAGNOSTICS

9 - 159

(P0137) O2 SENSOR 1/2 BELOW THRESHOLD

9 - 160

ENGINE - ELECTRICAL DIAGNOSTICS

ZH