Keyfob Battery And Function Check

WARNING: This page is about a different car, the 2005 Nissan Altima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK KEYFOB BATTERY
Remove battery and measure voltage across battery positive and negative terminals, (+) and (-).

Voltage : 2.5V - 3.0V

NOTE: Keyfob does not function if battery is not set correctly.

OK or NG
- OK : GO TO 2.
- NG : Replace battery. Refer to "KEYFOB BATTERY REPLACEMENT ".
  
  Fig 1: Measuring Voltage Across Battery Positive And Negative Terminals
  Courtesy of NISSAN MOTOR CO., U.S.A.

CHECK KEYFOB FUNCTION

With CONSULT-II

Check keyfob function in "DATA MONITOR" mode with CONSULT-II.

When pushing each button of keyfob, the corresponding monitor item should be turned as follows.

DATA MONITOR

Condition	Monitor item
Pushing LOCK	LK BUTTON/SIG	: ON
Pushing UNLOCK	UN BUTTON/SIG	: ON
Pushing TRUNK	TRUNK BTN/SIG	: ON
Pushing PANIC	PANIC BTN	: ON
Pushing LOCK and UNLOCK at the same time	LK/UN BTN ON	: ON

Fig 2: CONSULT-II Display - Keyfob

Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK : Keyfob is OK. Further inspection is necessary. Refer to "SYMPTOM CHART ".
NG : Replace keyfob.