Toyota Sienna Service Manual: Engine hood courtesy switch
Inspection
1. INSPECT ENGINE HOOD COURTESY SWITCH
- Measure the resistance according to the value(s) in the table below.
Standard resistance
If the result is not as specified, replace the hood lock assembly.
ECU Power Source Circuit
DESCRIPTION
This circuit provides power to operate the theft deterrent (warning) ECU.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU-B)
Remove the ECU-B fuse from the engine room ...
Security horn assembly
INSPECTION
1. INSPECT SECURITY HORN ASSEMBLY
Check operation of the horn.
Standard
If the result is not a ...
Other materials:
Perform zero point calibration of yaw rate and deceleration sensor (when
using sst check wire)
NOTICE:
While obtaining the zero point, do not vibrate the
vehicle by tilting, moving or shaking it and keep it
in a stationary condition. (Do not turn the ignition
switch to the ON position.)
Be sure to do this on a level surface (with an
inclination of less than 1 %).
(a) Proc ...
How to proceed with troubleshooting
The intelligent tester can be used at step 2, 5, 8, 11.
1 Vehicle Brought to Workshop
2 Check and Clear DTCs and Freeze Frame Data
HINT:
See page BC-82 and BC-84.
3 Problem Symptom Confirmation
4 Symptom Simulation
5 DTC Check
HINT:
See page BC-82.
6 Problem Symptoms Table
HINT: ...
Door Mirror Foot Light Circuit
DESCRIPTION
When the outer mirror control ECU receives the signal(s) from the body ECU
through BEAN
communication, it illuminates the foot light. The foot light is installed on the
bottom of the outer rear view
mirror and comes on or does off according to the following conditions.
The ligh ...
