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Home >> Chrysler >> 2001 >> Sebring LX, 2D Convertible >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Powertrain Diagnostic Procedures - Except Coupe) >> Diagnostic Information And Procedures >> DRIVEABILITY - NGC - Diagnostic Tests >> P1603-Pcm Internal Dual-Port Ram Communication; P1604-Pcm Internal Dual-Port Ram Read/Write Integrity Failure; P1607-Pcm Internal Shutdown Timer Rationality >> Diagnostic Procedure

Diagnostic Procedure

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.
DIAGNOSIS PROCEDURE - P1603-PCM INTERNAL DUAL-PORT RAM COMMUNICATION;

TEST ACTION APPLICABILITY
1 Turn the ignition off.
Disconnect the PCM harness connector.
CAUTION: DO NOT PROBE THE PCM HARNESS CONNECTORS. PROBING THE PCM HARNESS CONNECTORS WILL DAMAGE THE PCM TERMINALS RESULTING IN POOR TERMINAL TO PIN CONNECTION. INSTALL MILLER SPECIAL TOOL #8815 TO PERFORM DIAGNOSIS.

Turn the ignition to run.
Using a 12-volt test light connected to ground, probe the Fused Ignition Switch Output (Off-Run-Start) cavity C1-12 circuit at the appropriate terminal of the special tool #8815.
NOTE: If the test light illuminates, wiggle the wiring harness to ensure that the problem is not an intermittent wiring problem.

Does the test light illuminate brightly?
Yes --> Replace the Powertrain Control Module in accordance with the Service Information.
Perform POWERTRAIN VERIFICATION TEST VER - 1 .
No --> Check all related fuses. Repair the Fused Ignition Switch Output circuit.
Perform POWERTRAIN VERIFICATION TEST VER - 1 .		 All
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