Diagnostic Procedure 2

SECURITY INDICATOR LAMP CHECK

1. SECURITY INDICATOR LAMP ACTIVE TEST 

   With CONSULT-II

   Check "THEFT IND" in "ACTIVE TEST" mode with CONSULT-II.

   Fig 1: Identifying CONSULT-II Display - ACTIVE TEST

   

   Without CONSULT-II

   1. Turn ignition switch OFF.
   2. Check voltage between BCM harness connector M18 terminal 23 and ground.
      VOLTAGE CHART
      
      

      Connector	Terminal		Security indicator lamp condition	Voltage (V) (Approx.)
      	(+)	(-)
      M18	23	Ground	Illuminated	0
      			Not illuminated	Battery voltage

      Fig 2: Checking Voltage Between BCM Harness Connector M18 Terminal 23 And Ground

      

   OK or NG 

   OK: Security indicator lamp is OK.

   NG: GO TO 2.

2. SECURITY INDICATOR LAMP CHECK 

   Check security indicator lamp condition. Refer to "SELF-DIAGNOSIS FUNCTION ".

   OK or NG 

   OK: GO TO 3.

   NG: Replace combination meter. Refer to "COMBINATION METER ".

3. CHECK HARNESS CONTINUITY 
   1. Turn ignition switch OFF.
   2. Disconnect BCM and combination meter connector.
   3. Check continuity between BCM connector M18 terminal 23 and combination meter harness connector M24 terminal 39.

      23 - 39 : Continuity should exist. 

   4. Check continuity between BCM connector M18 terminal 23 and ground.

      23 - Ground : Continuity should not exist. 

      Fig 3: Checking Continuity Between BCM Connector M18 Terminal 23 And Ground

      

   OK or NG 

   OK: Check the following:

   • 10A fuse [No. 19, located in fuse block (J/B)]
   • Harness for open or short between combination meter and fuse

   NG: Repair or replace harness.