Inspection Procedure

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

PERFORM ACTIVE TEST BY TECHSTREAM

Connect the Techstream to the DLC3.
Turn the ignition switch to ON.
Turn the Techstream on.
Enter the following menus: Body Electrical / Main Body / Active Test.

Check the operation.

Main Body (Main Body ECU)

CONTROL RANGE CHART

Tester Display	Test Part	Control Range	Diagnostic Note
Step Light Operation	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

STANDARD VOLTAGE

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)