Toyota Sienna Service Manual: Back-up Power Source Circuit
DESCRIPTION
This is the back-up power source for the A/C amplifier. Power is supplied even when the ignition switch is off and is used for diagnostic trouble code memory, etc.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU-B)
(a) Remove the ECU-B fuse from the engine room junction block.
(b) Measure the resistance according to the value(s) in the table below.
Standard resistance
2 CHECK HARNESS AND CONNECTOR (A/C AMPLIFIER - BATTERY)
(a) Disconnect the connector from the A/C amplifier.
(b) Measure the voltage according to the value(s) in the table below.
Standard voltage
PROCEED TO NEXT CIRCUIT INSPECTION SHOWN IN PROBLEM SYMPTOMS TABLE
ACC Power Source Circuit
DESCRIPTION
This circuit supplies power to the A/C amplifier and the illumination for the
clock.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT FUSE (ECU ACC)
(a) Remove the ECU ACC fuse fr ...
Other materials:
Opening and closing
Front moon roof
Vehicles without a rear moon
roof
Vehicles with a rear moon roof
Opens the moon roof*
The moon roof will stop at the tilt up position once.
To tilt down, press the opposite side of the switch.
Press the switch again to open.
Closes the moon roof*
...
Camshaft Position Sensor
DTC P0365 Camshaft Position Sensor "B" Circuit (Bank 1)
DTC P0367 Camshaft Position Sensor "B" Circuit Low
Input (Bank 1)
DTC P0368 Camshaft Position Sensor "B" Circuit High
Input (Bank 1)
DTC P0390 Camshaft Position Sensor "B" Circuit (Bank 2)
DTC P0392 ...
Initialization
1. RESET
When the control motor and clutch is replaced:
The power slide door ECU cannot receive a switch
signal from the control motor and clutch. This may
cause the power slide door system to enter fail-safe
mode and DTC (B2224 (LH) or B2223 (RH)) to set,
and also make the syste ...
