Inspection Procedure

Check interior light operation.
CHECK:

Check the interior light lights up when the door is open.
1. NG: Check interior light system (see LOCATION ).
2. OK: Go to Next Step.
Check harness and connector between TVIP ECU and interior light.
PREPARATION:
1. Disconnect the T13 TVIP ECU connector.
2. Disconnect the l26 interior light connector.
  
  Fig 1: Terminals Continuity Specifications
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
CHECK:

Check the continuity between the wire harness side connectors.

OK:

Fig 2: View Of T13 TVIP ECU Connector & L26 Interior Light Connector Terminals
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
1. NG: Repair or replace harness and connector.
2. OK: Go to Next Step.
Replace TVIP ECU.