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:
Audio Receiver Assembly Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Audio Receiver Assembly Communication Stop Mode
"Display and Navigation (AVN1)" is not displayed on the "CAN
Bus Check ...
Disposal
DISPOSAL
CAUTION / NOTICE / HINT
CAUTION:
Before performing pre-disposal deployment of any SRS component, review and closely
follow all applicable environmental and hazardous material regulations. Pre-disposal
deployment may be considered hazardous mate ...
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT SEATBACK HEATER LH
(a) Apply battery voltage and check the seatback heater.
OK:
Measurement Connection
Condition
Specified Condition
...
0.163