Toyota Sienna Service Manual: Body
GENERAL MAINTENANCE
1. TIGHTEN BOLTS AND NUTS ON CHASSIS AND BODY
(a) Tighten all the parts of the chassis when necessary.
- Steering system
- Drive train
- Suspension
- Brake system
- Engine mounting, etc.
(b) Tighten all the parts of the body when necessary.
- Seat belts
- Seats
- Doors and hood
- Body mountings
- Fuel tank
- Exhaust pipe system, etc.
2. REPLACE AIR CONDITIONING FILTER
(a) Remove the glove compartment assembly.
(b) Remove the filter case by holding both sides.
(c) Remove the filter from the filter case.
(d) Replace the filter with a new one.
(e) The installation is in the reverse order of the removal.
Chassis
GENERAL MAINTENANCE
1. INSPECT STEERING LINKAGE
(a) Check the steering linkage for looseness or
damage.
Check that:
Tie rod ends do not have excessive play.
Dust seals and boots are not da ...
Other materials:
ECM / PCM Processor
DESCRIPTION
The ECM continuously monitors its internal processors (CPUs), A/F sensor
transistors and heated oxygen
sensor (HO2S) transistors. This self-check ensures that the ECM is functioning
properly. These are
diagnosed by internal "mirroring" of the main and sub CPUs to det ...
Terminals of ECU
1. RADIO AND NAVIGATION ASSEMBLY
*1: with Rear Seat Entertainment System
Reference: waveform 1
HINT:
Terminal: VV+ - VV-
Gauge set: 200 mV/DIV, 10 μs/DIV
Condition: DVD is played on radio and navigation
assembly
Reference: wave ...
Diagnosis Circuit
DESCRIPTION
DTC output mode is set by connecting terminals TC and CG of the DLC3.
DTCs are displayed by blinking the SRS warning light.
HINT:
When each warning light stays blinking, a ground short in the
wiring of terminal TC of the DLC3 or an
internal ground short in each ECU is ...
