Toyota Sienna Service Manual: How to proceed with troubleshooting
HINT:
- Use these procedures to troubleshoot the key reminder warning system.
- The intelligent tester should be used in steps 3 and 5.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 INSPECT COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)
- Use the intelligent tester to check if the Multiplex Communication System (MPX) is functioning normally.
Result
4 PROBLEM SYMPTOMS TABLE
Result
5 OVERALL ANALYSIS AND TROUBLESHOOTING
- Terminals of ECU.
- DATA LIST/ACTIVE TEST
6 REPAIR OR REPLACE
7 CONFIRMATION TEST
END
Key reminder warning system
Parts location
System description
1. KEY REMINDER WARNING SYSTEM DESCRIPTION
When the driver side door is opened with the
ignition key in the ACC or LOCK position, this
system caus ...
Operation check
1. REMOVE CHECK FUNCTION
Check that the key reminder warning buzzer
sounds.
With the driver side door closed, insert the key
into the ignition key cylinder and then turn the
...
Other materials:
Wrong Disc/ Disc cannot be Read/ Wrong Disc/ Disc cannot be Read
DTC 62-41 Wrong Disc
DTC 62-42 Disc cannot be Read
DTC 63-41 Wrong Disc
DTC 63-42 Disc cannot be Read
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
62-41
An unsuitable disc is inserted
CD
Radio receiver
62-42
Th ...
Improper Aiming of Radar Sensor Beam Axis
DTC P1572 Improper Aiming of Radar Sensor Beam Axis
DESCRIPTION
This DTC is output when the scanning angle of the laser sensor is incorrect.
This DTC is also output when
the laser sensor beam axis is determined to be in an incorrect position.
DTC No.
DTC Detection Condition
...
Problem symptoms table
Use the table below to find the cause of the problem. The
numbers indicate the priority of the likely cause of the
problem. Check each part in order. If necessary, replace
these parts.
Front A/C:
Rear A/C:
...
