Toyota Sienna Service Manual: Enter test mode
HINT:
- Operation of the tire pressure warning reset switch can be checked in TEST MODE.
- During TEST MODE, the system is not initialized by pushing the tire pressure warning reset switch. The circuit of the tire pressure warning reset switch can be inspected during this mode.
(a) Make sure that the ignition switch is off.
(b) Connect the intelligent tester to DLC3.
(c) Turn the ignition switch to the ON position.
(d) Check that the tire pressure warning light comes on for 3 seconds and then goes off.
(e) Select the TEST MODE on the intelligent tester.
(f) Confirm that the tire pressure warning light in the combination meter blinks at 0.125-second intervals.
Perform signal check
HINT:
When entering signal check mode, the tire pressure
warning ECU sets all the signal check DTCs first.
After completing signal check for each inspection
item, the DTCs for systems ...
Other materials:
How to proceed with
troubleshooting
HINT:
*: Use the intelligent tester.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
(a) Confirm problem symptoms
3 CHECK MULTIPLEX COMMUNICATION SYSTEM*
Check if the multiplex communication system DTC is output.
HINT:
The center airbag sensor assembly of this system ...
Data list / active test
HINT:
By accessing the DATA LIST displayed on the intelligent
tester, you can perform such functions as reading the values
of switches and sensors without removing any parts. Reading
the DATA LIST as the first step in troubleshooting is one
method to shorten labor time.
1. DATA LIST FOR CENTER ...
Summary of functions
Dynamic radar cruise control supplements conventional cruise control
with a vehicle-to-vehicle distance control. In vehicle-to-vehicle distance
control mode, the vehicle automatically accelerates or decelerates
in order to maintain a set following distance from vehicles ahead.
Multi-infor ...
