FixVault

Mode II (Switch Signal Monitor)

In this mode, BCM and LCUs monitor respective switches in LAN system for input signals. Switch input signals are monitored in the following order.

  1. To enter on-board diagnostic Mode II, turn ignition off. Set headlight switch and rear window defogger switch to OFF position. Ensure all doors are closed. Set interior light switch in center "O" position.
  2. Turn ignition on and then off. Repeatedly press rear defogger switch to ON position more than 10 times in 10 seconds, and then hold switch in the ON position. Self-diagnostic indicator lights should come on. Turn ignition switch to ON position within 5 seconds after indicator lights come on.
  3. Indicator lights should go off and within one second, system should enter on-board diagnostic Mode II. Operate the switches specified in step 1). Indicator lights will come on and buzzer will sound each time input signal from a switch is detected. See Fig 1 . To exit diagnostic mode, turn ignition off
Fig 1: Switch Input Signal Patterns
G96I06341Courtesy of NISSAN MOTOR CO., U.S.A.