Toyota Sienna Service Manual: Terminals of ECU
1. CHECK DRIVER SIDE J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)
- Disconnect the B6, 1C, 1K and 1L J/B connectors.
- Measure the voltage and resistance according to the value(s) in the table below.
HINT: If the result is not as specified, there may be a malfunction on the wire harness side.
- Reconnect the 1C, 1K, 1L and B6 connectors.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
Operation check
1. REMOVE CHECK FUNCTION
Check that the key reminder warning buzzer
sounds.
With the driver side door closed, insert the key
into the ignition key cylinder and then turn the
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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:
On-vehicle inspection
1. INSPECT SPEEDOMETER
Check the operation.
Using a speedometer tester, check the
speedometer indication according to the table
below.
Reference: mph (U.S.A.)
Reference: km/h (Canada)
NOTICE:
Tire wear as well as over or under inflation
will cause errors.
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Installation
1. INSTALL FRONT DRIVE SHAFT ASSEMBLY LH
(a) Coat the spline of the inboard joint shaft assembly
with ATF.
(b) Align the shaft splines and install the drive shaft
assembly with a brass bar and hammer.
NOTICE:
Set the snap ring with the opening side facing
down.
Be careful not to d ...
Pressure Control Solenoid "A" Electrical (Shift
Solenoid Valve SL1)
DESCRIPTION
Shifting from 1st to 5th is performed in combination with "ON" and "OFF"
operation of the shift solenoid
valves SL1, SL2, SL3, S4 and SR which are controlled by the ECM. If an open or
short circuit occurs in
either of the shift solenoid valves, the ECM cont ...