Toyota Sienna Service Manual: 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: waveform 2
HINT:
- Terminal: V+ - CGND
- Gauge set: 0.2 V/DIV, 0.2μs/DIV
- Condition: Ignition switch: ON, shift lever: R position
2. STEREO COMPONENT AMPLIFIER
3. TELEVISION DISPLAY ASSEMBLY
Problem symptoms table
HINT:
Before inspecting the suspected areas listed in the table
below, check the fuse and relay.
Before inspecting the suspected areas listed in the table
below, check the DTCs.
...
DTC check / clear
HINT:
Illustrations may differ from the actual vehicle depending
on the device settings and options. Therefore, some
detailed areas may not be shown exactly the same as on
the actual v ...
Other materials:
Removal
1. REMOVE REAR DOOR SCUFF PLATE LH
2. REMOVE REAR DOOR WEATHERSTRIP LH
3. REMOVE BACK DOOR WEATHERSTRIP
4. REMOVE BACK DOOR SCUFF PLATE
5. REMOVE QUARTER TRIM FRONT PANEL ASSEMBLY LH
6. REMOVE VOLTAGE INVERTER ASSEMBLY
Disconnect the connector.
Remove the 2 bolts and the v ...
A/F sensor and ho2s monitors
(a) Preconditions
The monitor will not run unless:
2 minutes or more have elapsed since the engine
was started.
The Engine Coolant Temperature (ECT) is 75°C
(167°F) or more.
Cumulative driving time at a vehicle speed of 30
mph (48 km/h) or more exceeds 6 minutes.
Air-fuel ratio fe ...
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
assembly.
2. REMOVE KEY CYLINDER LIGHT ASSEMBLY (w/o
Engine Immobiliser System)
3. REMOVE TRANSPONDER K ...
