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:
DSP Error
DTC 63-78 DSP Error
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
63-78
An error occurs during the decode process (MP3 /
WMA).
-
INSPECTION PROCEDURE
HINT:
After the inspection completed, clear the DTCs.
NOTICE:
This ...
Steering Angle Sensor Circuit Malfunction
DTC C1231/31 Steering Angle Sensor Circuit Malfunction
DESCRIPTION
The steering angle sensor signal is sent to the skid control ECU through the
CAN communication system.
When there is a malfunction in the communication, it will be detected by the
diagnosis function.
WIRING DIAGRAM
INS ...
Fail-safe chart
If any of the following DTCs are set, the ECM enters fail-safe
mode to allow the vehicle to be driven temporarily.
HINT:
*1: The vehicle can be driven slowly when the accelerator
pedal is depressed firmly and slowly. If the accelerator
pedal is depressed quickly, the vehicle may ...
