DESCRIPTION
The main body ECU receives headlight dimmer switch information signals, and illuminates the front fog light.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses and bulbs for circuits related to this system before performing the following inspection procedure.
PROCEDURE
1. |
PERFORM ACTIVE TEST USING TECHSTREAM (FRONT FOG LIGHT RELAY) |
(a) Using the Techstream, perform the Active Test (See page ).
Tester Display |
Test Part |
Control Range |
Diagnostic Note |
---|---|---|---|
Front Fog Light Relay |
Front fog light relay |
ON/OFF |
- |
OK:
Front fog light relay operates (front fog lights come on).
OK |
REPLACE MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
|
2. |
CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) |
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK |
REPAIR OR REPLACE HARNESS OR CONNECTOR (DRIVER SIDE JUNCTION BLOCK ASSEMBLY - FOG LIGHT ASSEMBLY) |
NG |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
If the shift lever cannot be shifted from P
If the shift lever cannot be shifted with your foot on the brake pedal,
there may be a problem with the shift lock system (a system to prevent
accidental operation of the shift lever). Have the vehicle inspected by your
Toyota dealer immediately.
The fo ...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE AUTOMATIC TRANSMISSION CASE O-RING
(a) Remove the O-ring from the oil pump assembly.
2. FIX OIL PUMP ASSEMBLY
(a) Place the oil pump body on the torque convert ...