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KEYLESS ENTRY SYSTEM
SPECIAL TOOLS
Tool
A
B
C
D
TROUBLESHOOTING
INSPECTION CHART FOR TROUBLE SYMPTOMS
Trouble symptoms
Keyless entry sys-
None of the doors, including the tailgate, can be locked or
tem
unlocked. (However, the central door locking system is
functioning normally.)
All of the doors, including the tailgate, can be locked and
unlocked, but the hazard lamp does not illuminate or does not
flash. (However, the hazard lamp flashes normally when the
hazard lamp switch is used.)
Secret codes cannot be registered.
BODY –
Keyless Entry System
Number
Name
MB991223
Harness set
A: MB991219
A: Test harness
B: MB991220
B: LED harness
C: MB991221
C: LED
D: MB991222
adapter
D: probe
Use
Measurement of terminal voltage
A: Connector pin contact pressure inspection
B: Power circuit inspection
harness
C: Power circuit inspection
D: Commercial tester connection
42800060018
42800180011
Inspection
Reference
procedure
page
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