Toyota Sienna Service Manual: Circuit inspection
A description of the main areas of each circuit inspection is shown in the table below.
| Item | Description |
| Circuit Description | The major role, operation of the circuit and its component parts are explained. |
| Diagnostic Trouble Code No. and Detection item | Indicates the diagnostic trouble codes, diagnostic trouble code settings and suspected areas for a problem |
| Wiring diagram | This shows a wiring diagram of the circuit.
Use this diagram together with ELECTRICAL WIRING DIAGRAM to thoroughly understand the circuit. Wire colors are indicated by an alphabetical code. B = Black, L = Blue, R = Red, BR = Brown, LG = Light Green, V = Violet, G = Green, O = Orange, W = White, GR = Gray, P = Pink, Y = Yellow, SB = Sky Blue The first letter indicates the basic wire color and the second letter indicates the color of the stripe. |
| Inspection Procedures | Use the inspection procedures to determine if the circuit is normal or abnormal. If abnormal, use the inspection procedures to determine whether the problem is located in the sensors, actuators, wire harnesses or ECU. |
| Indicates the condition of the connector of the ECU during the check | Connector being checked is connected.
Connections of tester are indicated by (+) or (-) after the terminal name. Connector being checked is disconnected. The inspections between a connector and body ground, information about the body ground is not shown in the illustration. |
Problem symptoms table
When a "Normal" code is output during a DTC check but
the problem still occurs, use the Problem Symptoms
Table. The suspected areas (circuits or parts) for each
problem symptoms are in th ...
Terms
...
Other materials:
Starting the engine
Shift the shift lever to P and apply the brakes.
Touch the Toyota emblem side
of the electronic key to the
engine switch.
An alarm will sound to indicate that
the start function cannot detect the
electronic key that is touched to the
engine switch if any of the doors is
opened ...
Engine assembly
Components
REMOVAL
1. DISCHARGE FUEL SYSTEM PRESSURE (See page
FU-13)
2. DISCHARGE REFRIGERANT FROM
REFRIGERATION SYSTEM (See page AC-172)
3. REMOVE BATTERY
(a) Disconnect the negative battery terminal.
(b) Disconnect the positive battery ...
Installation
1. INSTALL REAR NO. 2 SEAT ASSEMBLY LH
Place the rear No. 2 seat assembly LH in the cabin.
NOTICE:
Be careful not to damage the body.
Install the rear No. 2 seat assembly LH with the 2
bolts.
Torque: 29 N*m (296 kgf*cm, 21 ft.*lbf)
Install the locus cable with the ...
