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:
Vehicle Speed Signal Error (Test Mode DTC)
DTC C2191/91 Vehicle Speed Signal Error (Test Mode DTC)
DESCRIPTION
The tire pressure warning ECU receives a speed signal from the combination
meter. This DTC is stored
upon entering test mode, and cleared when a vehicle speed signal of 12 mph (20
km/h) is detected for 3
seconds or more. Thi ...
Steering Pad Switch Circuit
DESCRIPTION
This circuit sends an operation signal from the steering pad switch to the
radio receiver.
If there is an open in the circuit, the audio system cannot be operated using
the steering pad switch.
If there is a short in the circuit, the same condition as that when the switch
is ...
Removal
1. DRAIN BRAKE FLUID
NOTICE:
Wash brake fluid off immediately if it adheres to any
painted surface.
2. DISCONNECT BATTERY NEGATIVE TERMINAL
3. REMOVE AIR CLEANER ASSEMBLY WITH HOSE
4. REMOVE BRAKE ACTUATOR WITH BRACKET
(a) Release the latch of the brake actuator connector to
disconnect t ...
