Toyota Sienna Service Manual: How to proceed with troubleshooting
HINT:
- Troubleshooting of the wireless door lock control system is
based on the premise that the power door lock system, the
power slide door system, the power back door system and
the power window system are operating normally.
Therefore, before troubleshooting the wireless door lock control system, first make certain that these systems are operating normally.
- Troubleshoot in accordance with the procedures on the following pages.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
- Interview the customer to confirm the trouble
3 DTC CHECK
- Check for DTC and note any codes that are output.
- Delete the DTC.
- Recheck for DTC. Try to prompt the DTC by simulating the original activity that the DTC suggests.
- If the DTC does not reoccur, proceed to A.
- If the DTC reoccur, proceed to B.
4 PROBLEM SYMPTOMS TABLE
- When problem is not listed on problem symptoms table, proceed to A.
- When problem is listed on problem symptoms table, proceed to B.
5 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM
- Terminals of ECU
- Operation check
6 ADJUST, REPAIR OR REPLACE
7 CONFIRMATION TEST
END
Parts location
...
Operation check
1. NOTICE WHEN CHECKING THE FOLLOWING
Power door lock/unlock function:
The wireless door lock control function operates
only when the following 3 conditions are met:
No key is inse ...
Other materials:
Installation
1. Install speed sensor (nc sensor)
(a) Coat the O-ring with ATF.
(b) Install the speed sensor with the bolt.
Torque: 11 N*m (115 kgf*cm, 8 ft.*lbf)
HINT:
Make sure to install the same manufacturer's
sensor.
(c) Connect the speed sensor connector.
2. INSTALL SPEED SENSOR (NT SENSOR)
...
Removal
HINT:
For the parking brake cable assembly No. 2, perform the
same procedure to the parking brake cable assembly No. 3.
1. REMOVE REAR WHEEL
2. REMOVE REAR BRAKE DRUM SUB-ASSEMBLY (for
Drum Type) (See page BR-37)
3. REMOVE FRONT BRAKE SHOE (for Drum Type) (See
page BR-37)
4. REMOVE REAR BRAK ...
Compressor Solenoid Circuit
DESCRIPTION
In this circuit, the compressor receives a refrigerant compression demand
signal from the A/C amplifier.
Based on this signal, the compressor changes the amount of compressor output.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT A/C COMPRESSOR
(a) Disconnect the A/C com ...
