Toyota Venza: Headlight Signal Circuit
DESCRIPTION
The headlight leveling ECU assembly detects the low beam headlights status.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
First check that the low beam headlights operate normally.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (ENGINE ROOM JUNCTION BLOCK ASSEMBLY - ECU) |
|
(a) Disconnect the A40 headlight leveling ECU assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
A40-3 (B2) - Body ground |
Light control switch in head position |
11 to 14 V |
|
*1 |
Front view of wire harness connector (to Headlight Leveling ECU assembly) |
| OK | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Front Fog Light Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) controls the fog light
relay.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this ...
Light Control Switch Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) receives the following
switch information:
Light control switch position off, tail, head or AUTO
Dimmer switch positi ...
Other materials about Toyota Venza:
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE NO. 1 SIDE DEFROSTER NOZZLE DUCT
(a) Remove the 2 screws <E> or <F> and remove the No. 1 side defroster
nozzle duct.
2. REMOVE NO. 2 SIDE DEFROSTER NO ...
Air Fuel Ratio Sensor
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE NO. 1 ENGINE COVER SUB-ASSEMBLY
2. REMOVE COOL AIR INTAKE DUCT SEAL
3. REMOVE INLET AIR CLEANER ASSEMBLY
4. REMOVE NO. 1 EXHAUST MANIFOLD HEAT INSULATOR
5. REMOV ...
Removal
REMOVAL
PROCEDURE
1. REMOVE REAR SEAT HEADREST ASSEMBLY
(a) Press the headrest support button and pull up the rear seat headrest
assembly as shown in the illustration.
2. REMOVE REAR SEAT CENTER ...
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