Toyota Sienna Service Manual: Reassembly
1. INSTALL IGNITION OR STARTER SWITCH ASSEMBLY
(a) Install the ignition or starter switch assembly to the steering column bracket assembly UPR with the 2 screws.
2. INSTALL KEY INTER LOCK SOLENOID
(a) Install the solenoid to the steering column bracket assembly with the 2 screws.
3. INSTALL UN-LOCK WARNING SWITCH ASSEMBLY
(a) Install the un-lock warning switch assembly.
(b) Connect terminals 1 and 2 of the un-lock warning switch assembly connector.
(c) Connect the un-lock warning switch assembly connector to the ignition or starter switch assembly.
4. INSTALL IGNITION SWITCH LOCK CYLINDER ASSEMBLY
(a) Make sure that the ignition switch lock cylinder assembly is in the ACC position.
(b) Install the ignition switch lock cylinder assembly.
5. INSTALL STEERING LOCK OPERATION
(a) Check that the steering lock mechanism is activated when removing the key.
(b) Check that the steering lock mechanism is deactivated when inserting the key and turning it to the ACC position
6. INSTALL STEERING COLUMN BRACKET ASSEMBLY UPPER
(a) Temporarily install the steering column upper w/ switch bracket assembly and steering column upper clamp with 2 new tapered-head bolts.
(b) Tighten the 2 tapered-head bolts until the bolt heads break off.
7. INSTALL KEY CYLINDER LIGHT ASSEMBLY (w/o Engine Immobiliser System)
8. INSTALL TRANSPONDER KEY AMPLIFIER (w/ Engine Immobiliser System)
(a) Align the transponder key amplifier with the installation position of the upper bracket with the amplifier inclined.
(b) Push the transponder key amplifier up and connect it to the upper bracket.
NOTICE: Take care not to push the amplifier up with excessive force to prevent it from being damaged.
9. INSTALL STEERING INTERMEDIATE SHAFT ASSEMBLY
(a) Align the matchmarks on the steering intermediate shaft assembly and main shaft.
(b) Temporarily install the steering intermediate shaft assembly with the bolt.
Torque: 36 N*m (370 kgf*cm, 27 ft.*lbf)
Disassembly
1. REMOVE STEERING INTERMEDIATE SHAFT ASSEMBLY
(a) Align the matchmarks on the steering intermediate
shaft assembly and main shaft.
(b) Remove the bolt and steering intermediate shaft
assemb ...
Installation
1. INSTALL STEERING COLUMN ASSEMBLY
(a) Install the steering column assembly with the 3
bolts.
Torque: 25 N*m (255 kgf*cm, 18 ft.*lbf)
(b) Connect the connectors.
(c) Connect the wire har ...
Other materials:
Rear Occupant Classification Sensor RH Circuit
Malfunction
DTC B1783 Rear Occupant Classification Sensor RH Circuit
Malfunction
DESCRIPTION
The rear occupant classification sensor RH circuit consists of the occupant
classification ECU and the
rear occupant classification sensor RH.
DTC B1783 is recorded when a malfunction is detected in the rear oc ...
Diagnosis system
1. CHECK DLC3
The ECU uses the 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 not
ope ...
Installation
1. INSTALL STARTER ASSEMBLY
(a) Install the starter with the 2 bolts.
Torque: 37 N*m (380 kgf*cm, 26 ft.*lbf) for bolt
(b) Connect the starter connector.
(c) Install the terminal nut and cover the nut with the
cap.
Torque: 9.8 N*m (100 kgf*cm, 7 ft.*lbf) for nut
2. INSTALL NO. 1 ...
