Toyota Venza: Engine Hood Courtesy Switch Circuit
DESCRIPTION
The security courtesy switch is installed together with the hood lock. This switch turns off when the engine hood is opened and turns on when the engine hood is closed.
WIRING DIAGRAM
PROCEDURE
|
1. |
INSPECT HOOD LOCK ASSEMBLY (SECURITY COURTESY SWITCH) |
|
(a) Remove the hood lock assembly (See page
|
|
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(b) Disconnect the A7 security courtesy switch connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
|
Tester Connection |
Switch Condition |
Specified Condition |
|---|---|---|
|
1 - 2 |
Opened |
Below 1 Ω |
|
Locked |
10 kΩ or higher |
|
*1 |
Component without harness connected (Hood Lock Assembly (Security Courtesy Switch)) |
|
*2 |
Opened |
|
*3 |
Locked |
| NG | .gif) |
REPLACE HOOD LOCK ASSEMBLY (SECURITY COURTESY SWITCH) |
|
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|
2. |
CHECK HARNESS AND CONNECTOR (SECURITY COURTESY SWITCH - BODY GROUND) |
|
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
|
3. |
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - SECURITY COURTESY SWITCH) |
|
(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 |
|---|---|---|
|
D50-16 (HCTY) - A7-1 |
Always |
Below 1 Ω |
|
D50-16 (HCTY) - Body ground |
Always |
10 kΩ or higher |
|
*1 |
Front view of wire harness connector (to Main Body ECU (Driver Side Junction Block Assembly)) |
|
*2 |
Front view of wire harness connector (to Security Courtesy Switch) |
| OK | |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The ECU stores trouble codes when trouble occurs on the vehicle.
The diagnostic system allows for reading of the trouble codes from the DLC3.
Use the Techstream to ...
Horn Circuit
DESCRIPTION
When the theft deterrent system is switched from the armed state to the alarm
sounding state, the main body ECU (driver side junction block assembly) transmits
a signal to cause the h ...
Other materials about Toyota Venza:
Door Courtesy Light
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. REMOVE COURTESY LIGHT ASSEMBLY
(a) Using a screwdriver wrapped with protective tape, disengage the claw.
Text in Illustration
*1
Pro ...
Speaker Output Short (B15C3)
DESCRIPTION
This DTC is stored when a malfunction occurs in the speakers.
DTC No.
DTC Detection Condition
Trouble Area
B15C3
A short is detected in the speaker output circuit.
...
Installation
INSTALLATION
PROCEDURE
1. INSTALL NO. 2 COOLING FAN MOTOR
(a) Install the No. 2 cooling fan motor with the 3 screws.
Torque:
w/o Towing package :
2.6 N·m {26 kgf·cm, 23 in·lbf}
w/ Towing package :
3.9 N·m {40 kgf·cm, 35 in ...
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