Flash Code Test
NOTE:
Use this test to quickly identify a short to ground in the door lock cylinder switches, hood switch, ignition lock anti-theft switch or their associated circuits.
- Turn ignition to run. Activate power door unlock button 5 times within 10 seconds. Count number of flashes of the anti-theft warning indicator lamp. If there is only one flash, system is normal, go to ANTI-THEFT DIAGNOSIS CHART TABLE. If there are 2 flashes displayed, go to next step. If there are 3 flashes displayed, go to step 3). If there are 4 flashes displayed, go to step 4).
- Two flashes indicate door lock cylinder switch input is shorted. Repair or replace door lock cylinder switches and/or circuits No. 23 (Tan/Light Green wire) and No. 25 (Dark Green/Purple wire).
- Three flashes indicate hood anti-theft switch input shorted. Repair or replace hood anti-theft switch and circuit No. 486 (Brown/White wire).
- Four flashes indicate door lock cylinder switch(es) and/or hood anti-theft switch input is shorted. Repair or replace door lock cylinder switch(es) and/or hood anti-theft switch and related circuits.