Inspection Procedure

WARNING: This page is about a different car, the 2007 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (MAIN BODY ECU)

Connect the intelligent tester (with CAN VIM) to the DLC3.
Turn the ignition switch to the ON position and press the intelligent tester main switch ON.

Select the items below in the ACTIVE TEST and then check the relay operation.

Main body ECU

ACTIVE TEST REFERENCE (MAIN BODY ECU)

Item	Test Details	Diagnostic Note
STEP LIGHT	Foot light ON/OFF	-

OK: Light comes on.

OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE

NG: Go TO NEXT STEP.

INSPECT FUSE (DOME)
1. Remove the DOME fuse from the engine room No. 2 relay block.
2. Measure the resistance of the fuse.
  Standard resistance:
  
  Below 1 Ω
NG: REPLACE FUSE

OK: Go TO NEXT STEP.
INSPECT FOOT LIGHT
1. Remove the foot light.
2. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, then check that the light comes on.
  OK: Light comes on.
NG: REPLACE FOOT LIGHT ASSEMBLY

OK: Go TO NEXT STEP.

CHECK WIRE HARNESS (BATTERY - MAIN BODY ECU)

Install the foot light.
Disconnect the E15 main body ECU connector.

Measure the voltage of the wire harness side connector.

Standard voltage

VOLTAGE SPECIFIED CONDITIONS

Tester Connection	Specified Condition
E15-2 (FSPT) - Body ground	10 to 14 V

Fig 1: Identifying E15 Main Body ECU Connector Terminals

NG: REPAIR OR REPLACE HARNESS AND CONNECTOR

OK: REPLACE INSTRUMENT PANEL JUNCTION BLOCK (MAIN BODY ECU)