Toyota Sienna Service Manual: Terminals of ECU
1. TELEVISION CAMERA ASSEMBLY
- Disconnect the T10 camera connector
- Measure the voltage and resistance of each terminal of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
- Reconnect the T10 camera connector.
- Measure the voltage and frequency of each terminal of the connector.
If the result is not as specified, the camera may have a malfunction.
- Reference: Oscilloscope waveform
- Waveform 1
2. RADIO AND NAVIGATION ASSEMBLY
- Reverse Signal Circuit
- Display Signal Circuit between Radio and Navigation Assembly and Television Camera Assembly
Problem symptoms table
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.
Metho ...
Reverse Signal Circuit
DESCRIPTION
The radio and navigation assembly receives a reverse signal from the
park/neutral position switch.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT RADIO AND NAVIGATION ASSEMBLY
...
Other materials:
How to proceed with
troubleshooting
HINT:
Use these procedures to troubleshoot the power folding
seat system.
*: Use the intelligent tester.
1 VEHICLE BROUGHT TO WORKSHOP
2 INSPECT BATTERY VOLTAGE
Standard voltage:
10 to 14 V
If the voltage is below 11 V, recharge or replace the battery
before proceeding.
...
Throttle Actuator Control System
DTC P2111 Throttle Actuator Control System - Stuck Open
DTC P2112 Throttle Actuator Control System - Stuck
Closed
DESCRIPTION
The throttle actuator is operated by the ECM, and opens and closes the
throttle valve using the gears.
The opening angle of the throttle valve is detected by the Thr ...
Removal
1. RECOVER REFRIGERANT FROM REFRIGERATION
SYSTEM (See page AC-172)
2. REMOVE FRONT WIPER ARM HEAD CAP (See page
WW-4)
3. REMOVE FRONT WIPER ARM RH (See page WW-4)
4. REMOVE FRONT WIPER ARM LH (See page WW-4)
5. REMOVE COWL TOP VENTILATOR LOUVER SUBASSEMBLY
(See page WW-4)
6. REMOVE WINDSHIEL ...
