Toyota Sienna Service Manual: How to proceed with troubleshooting
HINT:
- Use the following procedures to troubleshoot the tire pressure warning system.
- *: Use the intelligent tester.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
(a) Interview the customer to confirm the trouble.
HINT: It is important to collect as much specific information as possible from the customer to allow for a quick repair.
3 ADJUST TIRE PRESSURE
(a) Adjust all tire pressures to the standard values.
Result
4 CHECK FOR DTC*
(a) Check for DTCs (See page TW-34).
Result 
5 DTC CHART
(a) Refer to DIAGNOSTIC TROUBLE CODE CHART (See page TW-37).
Go to step 7
6 PROBLEM SYMPTOMS TABLE
(a) Refer to PROBLEM SYMPTOMS TABLE (See page TW- 28).
7 CIRCUIT INSPECTION*
(a) Refer to ELECTRONIC CIRCUIT INSPECTION PROCEDURE (See page IN-30).
8 REPAIR OR REPLA
(a) Repair or replace parts based on the diagnosis result.
9 CONFIRMATION TEST
(a) Check the DATA LIST to confirm that the tire inflation pressure has been received (See page TW-35).
(b) Perform initialization (See page TW-23).
(c) Confirm that the initialization has been completed.
END
System description
1. DESCRIPTION OF SYSTEM
(a) A tire pressure warning valve and transmitter is
equipped with a tire pressure sensor and a
transmitter and is installed in a tire wheel assembly.
The sensor measure ...
Registration
...
Other materials:
Engine oil
With the engine at operating temperature and turned off, check the oil
level on the dipstick.
Checking the engine oil
Park the vehicle on level ground. After warming up the engine
and turning it off, wait more than 5 minutes for the oil to drain
back into the bottom of the engine.
Ho ...
Inspection
1. INSPECT SPIDER BEARING
(a) Check that the spider bearing moves smoothly by
turning the flange.
(b) Check for the looseness around the joint by strongly
moving the flange in the axial and radial directions.
HINT:
If necessary, replace the shaft.
2. INSPECT INTERMEDIATE SHAFT
(a) Usin ...
Control Module Performance
DTC P0607 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 ...
