FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Keyfob Battery And Function Check




REMOTE KEYLESS ENTRY SYSTEM

Keyfob Battery and Function Check

NOTE:
The Signal Tech II tool (J-50190) can be used to test the remote keyless entry keyfob relative signal strength.
Refer to the Signal Tech II User Guide for additional information.

1. CHECK KEYFOB BATTERY

1.Remove keyfob battery. Keyfob Battery Replacement.





2.Measure voltage between battery positive and negative terminals, (+) and (-).
Voltage: 2.5 - 3.0V
NOTE:
Keyfob does not function if battery is not set correctly.
OK or NG
OK- GO TO 2.
NG- Replace battery.

2. CHECK KEYFOB FUNCTION

With CONSULT
Check keyfob function in "DATA MONITOR" mode with CONSULT.





Without CONSULT





Check keyfob function using Signal Tech II Tool J-50190 or Remote
Keyless Entry Tester J-43241 (shown).
OK or NG
OK- WITH CONSULT: Keyfob, remote keyless entry receiver and wiring harness between BCM and remote keyless entry receiver are OK. Replace BCM. Service and Repair.
OK- WITHOUT CONSULT: Keyfob is OK. Further inspection is necessary. Remote Keyless Entry System.
NG- WITH CONSULT: Further inspection is necessary. Remote Keyless Entry System.
NG- WITHOUT CONSULT: Replace keyfob. ID Code Entry Procedure.