Without Scan Tool
DTC CHECK1. CHECK OUTPUT OF DTC BY DOOR OPEN INDICATOR
a. Inspect the battery positive voltage.
Standard voltage: 11 to 14 V (when engine is stopped)
b. Check DTC outputs.
1. Check that the door open indicator turns on when one of the doors is opened.
HINT: If the indicator does not turn on, the problem may be among the following: a defective door open indicator LED, a short circuit in the wire harness, a defective courtesy light switch contact or a defective multiplex network body ECU.
2. Using SST (diagnosis check wire No.2), short circuit terminals TC (13) and CG 4. of the DLC3.
SST 09843-18040
NOTE: Do not short-circuit any other terminals.
3. Turn the ignition switch ON and observe how many times the door open indicator flashes.
HINT: When 2 or more codes are output simultaneously, the codes will be displayed in numerical order.