Toyota Sienna Service Manual: Meter / gauge system
- Precaution
- How to proceed with troubleshooting
- Customize parameters
- Problem symptoms table
- Terminals of ECU
- Diagnosis system
- Data list / active test
- On-vehicle inspection
Meter
...
Precaution
1. REMOVAL AND INSTALLATION OF THE BATTERY TERMINAL
Before performing electrical work, disconnect the
battery negative (-) terminal in order to prevent a
short in the system.
...
Other materials:
Control Module Performance
DESCRIPTION
The ECM continuously monitors its main and sub CPUs. This self-check ensures
that the ECM is
functioning properly. If outputs from the CPUs are different and deviate from
the standards, the ECM will
illuminate the MIL and set a DTC immediately.
The ECM also monitors the cru ...
How to proceed with troubleshooting
Hint:
The ecm of this system is connected to the can and
multiplex communication system. Therefore, before
starting troubleshooting, make sure to check that there is
no trouble in the can and multiplex communication
systems
The intelligent tester can be used at steps 3, 4, 6, and 9.
...
Rear door lock
INSPECTION
1. INSPECT REAR DOOR LOCK ACTUATOR ASSEMBLY LH
Apply battery voltage to the door lock and check
operation of the motor.
OK
HINT:
If the result is not as specified, replace the door lock
assembly.
Measure the resistance according to the value(s) in
the ...