Toyota Venza: 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 system before performing the following inspection procedure.
PROCEDURE
|
1. |
PERFORM ACTIVE TEST USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Main Body / Active Test.
(e) Check that the relay operates.
Main Body|
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 | .gif) |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
.gif)
|
2. |
INSPECT FOG LIGHT RELAY (FOG) |
|
(a) Remove the front fog light relay from the instrument panel junction block. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
3 - 5 |
Voltage is not applied between terminals 1 and 2 |
10 kΩ or higher |
|
3 - 5 |
Voltage is applied between terminals 1 and 2 |
Below 1 Ω |
| NG | |
REPLACE FOG LIGHT RELAY |
|
|
3. |
CHECK HARNESS AND CONNECTOR (BATTERY - FRONT FOG LIGHT RELAY) |
|
(a) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
4. |
CHECK HARNESS AND CONNECTOR (FRONT FOG LIGHT RELAY - MAIN BODY ECU) |
(a) Disconnect the D50 main body ECU (driver side junction block assembly) connector.
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
Front fog light relay terminal 2 - D50-4 (FFGO) |
Always |
Below 1 Ω |
|
D50-4 (FFGO) - Body ground |
Always |
10 kΩ or higher |
|
*1 |
Main Body ECU (Driver Side Junction Block Assembly) |
*3 |
Front view of wire harness connector (to Main Body ECU (Driver Side Junction Block Assembly)) |
|
*2 |
Front Fog Light Relay Terminal |
- |
- |
| OK | |
REPLACE MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY) |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Headlight (HI-BEAM) Circuit
DESCRIPTION
for Halogen Headlight:
The main body ECU (driver side junction block assembly) controls the
high beam headlights.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE ...
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. ...
Other materials about Toyota Venza:
Transmitter ID not Received in Main Mode (C2126/26)
DESCRIPTION
After all IDs are registered, DTC C2126/26 is set in the tire pressure warning
ECU and the tire pressure warning light blinks for 1 minute and then comes on.
When the tire pressure warning ECU successfully receives radio waves from all
the tr ...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. INSTALL POWER WINDOW REGULATOR SWITCH ASSEMBLY
(a) Engage the 2 claws ...
Transmitter ID1 Operation Stop (C2111/11-C2114/14)
DESCRIPTION
The tire pressure warning valve and transmitter installed in each tire and wheel
assembly measures the tire pressures. The measured values are transmitted as radio
waves to the tire pressure warning antenna and receiver on the body and then se ...
0.1352