Inspection Procedure
WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT TERMINAL VOLTAGE(L4 - BODY GROUND)
- Disconnect the four wheel drive control ECU connector.
- Turn the ignition switch ON.
- Measure the voltage according to the value(s) in the table below.
Standard:
TESTER CONNECTION SPECIFIED CONDITION CHART (1 OF 2)Tester Connection Specified Condition F9 - 24 (L4) - Body ground 10 to 14V Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
- OK: CHECK AND REPLACE FOUR WHEEL DRIVE CONTROL ECU (SEE ELECTRONIC CIRCUIT INSPECTION PROCEDURE )
- NG: GO TO NEXT STEP
- INSPECT TERMINAL VOLTAGE(L4 - BODY GROUND)
- Turn the ignition switch ON.
- Measure the voltage according to the value(s) in the table below.
Standard:
TESTER CONNECTION SPECIFIED CONDITION CHART (2 OF 2)Tester Connection Specified Condition E6 - 13 (L4) - Body ground 10 to 14 V
- OK: REPAIR OR REPLACE HARNESS OR CONNECTOR (SEE ELECTRONIC CIRCUIT INSPECTION PROCEDURE )
- NG: GO TO NEXT STEP
REPLACE ECM (2UZ-FE)