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:
Torque converter clutch and drive plate
Inspection
1. Inspect torque converter clutch assembly
(a) Inspect the one-way clutch.
(1) Set SST into the inner race of the one-way
clutch.
SST 09350-32014 (09351-32010)
(2) Install SST so that it fits in the notch of the
converter hub and outer race of the one-way
clutch.
SST 0 ...
Occupant Classification ECU Malfunction
DTC B1795 Occupant Classification ECU Malfunction
DESCRIPTION
DTC B1795 is recorded when a malfunction is detected in the occupant
classification ECU.
Troubleshoot DTC B1771 first when the DTCs B1771 and B1795 are output
simultaneously.
DTC No.
DTC Detecting Condition
...
Reassembly
1. INSTALL LH REAR BUMPER SIDE RETAINER
Install the LH rear bumper side retainer with the 3
screws.
2. INSTALL RH REAR BUMPER SIDE RETAINER
Install the RH rear bumper side retainer with the 3
screws.
3. INSTALL REAR BUMPER REINFORCEMENT SUBASSEMBLY
Install the rear bumper reinf ...
