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:
Speaker Circuit
DESCRIPTION
When the vehicle has a built-in type amplifier, a sound signal is
sent from the radio receiver to the
speakers via the "6 Speaker System" circuit.
When the vehicle has a separate type amplifier, a sound signal
from the radio receiver is amplified by
...
If you have a flat tire
(vehicles with a compact
spare tire)
Your vehicle is equipped with a spare tire. The flat tire can be
replaced with the spare tire.
For details about tires:
WARNINGIf you have a flat tire
Do not continue driving with a flat tire.
Driving even a short distance with a flat tire can damage the tire and
the
wheel ...
Wireless Door Lock Tuner Circuit Malfunction
DTC B1242 Wireless Door Lock Tuner Circuit Malfunction
DESCRIPTION
When a RDA signal is not input to the door control receiver within 1 second
after the multiplex network
body ECU outputs a PRG signal, this DTC is set.
DTC No.
DTC Detection Condition
Suspected Area
...
