Toyota Sienna Service Manual: Terminals of ECU
1. CHECK POWER BACK DOOR ECU
- Disconnect the P13 and P14 ECU connectors, and check the voltage and resistance of each terminal of the wire harness side connectors
If the result is not as specified, there may be a malfunction on the wire harness side.
- Reconnect the ECU connectors, and check the voltage of each terminal of the connectors
If the result is not as specified, the ECU may have a malfunction.
Initialization
1. RESET
When the battery is reconnected:
The back door is locked and therefore cannot be
opened. Therefore, it is necessary to unlock the
back door using the door control switch or
...
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.
NOT ...
Other materials:
Terminals of ECU
1. INSTRUMENT PANEL JUNCTION BLOCK
(MULTIPLEX NETWORK BODY ECU)
Disconnect the B6, B7 and B9 ECU connectors.
Disconnect the 1A, 1C, 1K, 1L and 1P J/B
connectors.
Check the voltage or resistance according to the
value(s) in the table below (wire harness side
connector).
...
Problem symptoms table
HINT:
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 for DTCs.
Methods used to verify the cause of the problem are listed
in order of probability in the ...
Reassembly
1. INSTALL FRONT OIL PUMP OIL SEAL
(a) Using SST and a hammer, install a new oil seal to
the oil pump body.
SST 09350-32014 (09351-32140)
HINT:
The seal end should be flat with the outer edge of
the oil pump.
(b) Coat the lip of the oil seal with MP grease.
2. INSTALL FRONT OIL PUMP BODY ...