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:
Inspection
1. INSPECT WINDSHIELD WIPER MOTOR ASSEMBLY
LO Operation Check
Connect the battery (+) to the terminal 1 (+1) of
the connector, the battery (-) to the terminal 5
(E) of the connector, and check that the motor
operates at low speed (LO).
HI Operation Check
...
Accelerator pedal rod
COMPONENTS
ON-VEHICLE INSPECTION
1. CHECK ACCELERATOR PEDAL ROD
(a) Check the voltage.
(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Turn the intelligent tester on.
(4) Select the menu items: DIAGNOSIS /
ENHANCED OBD II / D ...
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 no ...
