Toyota Sienna Service Manual: How to proceed with troubleshooting
HINT: Troubleshoot in accordance with the procedures on the following pages.
1 VEHICLE BROUGHT TO WORKSHOP
2 DTC CHECK
- Check for DTCs and make a note of the code that is output (See page MP-14).
- Delete the DTC.
- Check if the DTC is output once again when the problem symptom is simulated based on the noted code.
- When no code is output (symptom check and simulation are possible), proceed to A.
- When a code is output, proceed to B.
3 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM
- Terminals of ECU
4 ADJUST, REPAIR OR REPLACE
END
System description
1. MULTIPLEX COMMUNICATION SYSTEM (BEAN)
The BEAN communication line is used to control the
combination meter, the A/C amplifier, the airbag
sensor assembly, the multiplex network body ECU,
...
Terminals of ECU
1. MULTIPLEX NETWORK GATEWAY ECU
Disconnect the G4 ECU connector.
Measure the voltage between the specified
terminals on the wire harness side connector.
If the result is not as ...
Other materials:
ECM / PCM Internal Engine Off Timer Performance
DTC SUMMARY
DESCRIPTION
To ensure the accuracy of the EVAP (Evaporative Emission) monitor values, the
soak timer, which is built
into the ECM, measures 5 hours (+/- 15 minutes) from when the ignition switch is
turned off, before the
monitor is run. This allows the fuel to cool down, whic ...
Installation
1. Install generator assembly
(a) Install the bracket with the bolt.
Torque: 20 N*m (204 kgf*cm, 15 ft.*lbf)
(b) Install the wire harness clamp stay.
Torque: 8.4 N*m (86 kgf*cm, 74 in.*lbf)
(c) Connect the wire harness clamp.
(d) Install the generator assembly to the cylinder ...
Removal
1. REMOVE REAR SEAT 3 POINT TYPE BELT
ASSEMBLY (for 8-Passenger)
HINT:
Refer to the instructions for disassembly of the rear No. 1
seat assembly (for center seat).
Remove the bolt and rear seat 3 point type belt
assembly.
2. REMOVE REAR SEAT 3 POINT TYPE BELT
ASSEMBLY (for 7-Pass ...
