Chrysler Crossfire. Manual

(P0763) TRANSMISSION CONTROL SYSTEM (MIL REQUEST) (CONTINUED)

For a complete Transmission Control Module Circuit Diagram, (Refer to 21 - TRANSMISSION/TRANSAXLE/AUTO-
MATIC - NAG1 - SCHEMATICS AND DIAGRAMS).

Diagnostic Test

DTC PRESENT IN TRANSMISSION CONTROL MODULE (TCM)

This is an informational DTC letting you know that a DTC(s) is stored
in the Transmission Control Module.

Using the DRB III

, read the Transmission Controller DTC and refer to

the Transmission Category and perform the appropriate symptom.

Erase this DTC from the PCM after all Transmission DTC(s) have
been repaired.

PCM Diagnostic Information complete.

Continue

Test Complete.

ENGINE - ELECTRICAL DIAGNOSTICS

9 - 633

(P1386) KNOCK SENSOR SYSTEM FAILURE (CONTINUED)

When Monitored and Set Condition

•

When Monitored: After the Anti-knock control is shut off and the engine is at operating temperature.

•

Set Condition: The Anti-knock control test has failed Ten consecutive times in a row.

POSSIBLE CAUSES

POWERTRAIN CONTROL MODULE

For a complete Powertrain Control Module Circuit Diagram, (Refer to 9 - ENGINE - SCHEMATICS AND DIA-
GRAMS).

Diagnostic Test

CHECK PCM FOR INTERNAL FAILURE DTC

Note: This DTC will not turn on the Check Engine light.
Turn the ignition on.

With the DRB III

, erase PCM DTCs.

Turn the ignition off, then back on.

Monitor the DRB III

for this DTC.

With the DRB III

, read PCM DTCs.

Did the DTC, (P1386) KNOCK SENSOR SYSTEM FAILURE, set
again?

Yes

>> Replace and program the Powertrain Control Module.

(Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL
MODULES/POWERTRAIN

CONTROL

MODULE

REMOVAL).

Perform POWERTRAIN VERIFICATION TEST - VER 2.

>> Go To 2

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.

Note: Check for any Technical Service Bulletins that may apply.
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/or open circuits.

Were there any problems found?

Yes

>> Repair as necessary.

Perform POWERTRAIN VERIFICATION TEST - VER 2.

>> The condition that caused this DTC to set is currently not present. Inspect the related wiring harness for

a possible intermittent condition.

ENGINE - ELECTRICAL DIAGNOSTICS

9 - 635

Chrysler Crossfire. Manual - part 622