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:
Ignition Switch Circuit
DESCRIPTION
The Multiplex network body ECU receives the ACC and IG signals from the
ignition switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 READ VALUE OF INTELLIGENT TESTER
Connect the intelligent tester to DLC3.
Turn the ignition switch ON and push the intelligent
tester main ...
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do ...
Front stabilizer bar (for 4wd)
COMPONENTS
...
