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:
Installation
HINT:
Install the RH side by the same procedure as the LH side.
1. INSTALL REAR DISC BRAKE CYLINDER MOUNTING
LH
(a) Install the rear disc brake cylinder mounting LH with
the 2 bolts.
Torque: 88 N*m (900 kgf*cm, 65 ft.*lbf)
2. INSTALL REAR DISC BRAKE PAD SUPPORT PLATE
(a) Install the rear d ...
Disassembly
1. REMOVE RETURN TUBE NO.2
(a) Using SST, remove the return tube No. 2.
SST 09023-12701
2. REMOVE STEERING LEFT TURN PRESSURE TUBE
(a) Using SST, remove the left turn pressure tube.
SST 09023-38201
(b) Remove the 2 O-rings from the left turn pressure
tube.
3. REMOVE STEERING RIGH ...
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
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