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:
Inspection
INSPECTION
PROCEDURE
1. INSPECT STEERING PAD SWITCH ASSEMBLY
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection
Condition
Specified Condition
...
Intake Air Control Valve Actuator(for Tcv)
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE INTAKE MANIFOLD
(a) Remove the intake manifold (See page ).
2. REMOVE INTAKE AIR CONTROL VALVE ACTUATOR (for TCV)
(a) Remove the 2 bolts, intake air control valve actuator a ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
2.
CUSTOMER PROBLEM ANALYSIS
...
0.1642