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:
SPD Signal Error
DTC 58-43 SPD Signal Error
DTC 80-43 SPD Signal Error
DESCRIPTION
DTC No.
DTC Detection Condition
Trouble Area
58-43
A difference between the GPS speed and SPD pulse is
detected.
Speed signal circuit
Radio and navigation assembly
...
Removal
HINT:
Use the same procedures for the RH side and LH side.
The procedures listed below are for the LH side.
1. PRECAUTION
CAUTION:
Be sure to read "PRECAUTION" thoroughly before
servicing.
2. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
CAUTION:
Wait for 90 s ...
Standard bolt
HOW TO DETERMINE BOLT STRENGTH
SPECIFIED TORQUE FOR STANDARD BOLTS
HOW TO DETERMINE NUT STRENGTH
HINT:
*: Nut with 1 or more marks on one side surface of the nut.
Use a nut with the same nut strength classification number
(or greater) as the bolt strength classification number ...
