Diagnostic Tests: Notes

CAUTION: When battery is disconnected, vehicle computer and memory systems may lose memory data. Driveability problems may exist until computer systems have completed a relearn cycle. See COMPUTER RELEARN PROCEDURES article in GENERAL INFORMATION before disconnecting battery.

NOTE: Before diagnosing an engine performance problem, refer to SERVICE PRECAUTIONS under SELF-DIAGNOSTIC SYSTEM before proceeding.

NOTE: Before diagnosing an engine performance problem, refer to ON-BOARD DIAGNOSTICS under SELF-DIAGNOSTIC SYSTEM for diagnostic system functions, abilities and system diagnostic procedures.

NOTE: Self-diagnostic tests are written specifically for Chrysler's Diagnostic Readout Box (DRBIII®) scan tool. A generic scan tool may not be capable of performing all necessary test functions.

NOTE: Throughout this article, models with California emissions may be referred to as Calif. or Calif. models. Vehicles from other states may be equipped with California emissions. Models with Federal emissions may be referred to as Federal or Federal models. Check underhood label for application.

NOTE: Before performing any testing procedures, check for any related Technical Service Bulletins (TSB).