Toyota Sienna Service Manual: 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).
HINT: If the result is not as specified, there may be a malfunction on the wire harness side.
- Reconnect the B6, B7 and B9 ECU connectors.
- Reconnect the 1A, 1C, 1K, 1L and 1P J/B connectors.
- Check the voltage according to the value(s) in the table below (ECU side connector).
If the result is not as specified, the instrument panel J/B (multiplex network body ECU) may have a malfunction.
Problem symptoms table
HINT:
Inspect the fuse and relay before investigating the suspected
areas shown in the table below.
WIRELESS DOOR LOCK CONTROL SYSTEM:
...
Diagnosis system
1. DESCRIPTION
When troubleshooting a vehicle with the diagnosis
system, the only difference from the usual
troubleshooting procedure is connecting the intelligent
tester to the vehicle and readin ...
Other materials:
Transmission Error
DTC 01-DC Transmission Error
DESCRIPTION
HINT:
*1: This code may be stored if the engine is started, idled for 60 seconds and
then started again.
NOTICE:
Before starting troubleshooting, be sure to clear DTCs to erase
codes stored due to the
reasons described in the HINT ...
Stereo component amplifier
COMPONENTS
Removal
1. REMOVE GLOVE COMPARTMENT DOOR ASSEMBLY
2. REMOVE STEREO COMPONENT AMPLIFIER ASSEMBLY
Disconnect the connectors.
Remove the 2 nuts and the stereo component
amplifier assembly.
Installation
1. INSTALL STEREO COMPONENT AMPLIFIER ASSEMBLY
...
Refrigerant
On-vehicle inspection
1. INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET
(a) This method uses a manifold gauge set to locate
problem areas. Read the manifold gauge pressure
when these conditions are established.
Test conditions:
Temperature at the air inlet is 30 to 35°C (86 to
95 ...
