SCHEMATIC WIRING DIAGRAMS
ACTIVE NOISE SYSTEM CANCELLATION WIRING SCHEMATICS (ENCORE)
Active Noise Cancellation (NKC)
Fig. 1: Active Noise Cancellation (NKC)
DIAGNOSTIC INFORMATION AND PROCEDURES
AC
AIR/WIND NOISE
Special Tools
CH-39570 Chassis Ear
GE-41416 Ultrasonic Leak Detector
WARNING: An assistant should drive the vehicle while the technician
checks for the
location of the reported con
Fig. 4: Drum Brake Hardware
WARNING: Refer to Brake Dust Warning .
Visually inspect the drum brake upper return spring (1) for the
following conditions:
Excessive corrosion
Excessive stretching
Broken
Missing
If any of the conditions listed were found, the drum brake upper return
sp
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
D