Toyota Sienna Service Manual: Dynamic laser cruise control system
- Precaution
- System description
- How to proceed with troubleshooting
- Road test
- Operation check
- Problem symptoms table
- Terminals of ECU
- Diagnosis system
- DTC check / clear
- Fail-safe chart
- Data list / active test
- Diagnostic trouble code chart
TC and CG Terminal Circuit
DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the system to enter the
self-diagnostic mode. If a
malfunction is present, DTCs will be output.
HINT:
When a particular warning li ...
Precaution
Keep in mind the following points when inspecting the
dynamic laser cruise control system.
As there is a limitation on the vehicle-to-vehicle distance
controlling capability, do not overl ...
Other materials:
Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY
TERMINAL
2. DRAIN ENGINE COOLANT
3. REMOVE FRONT WIPER ARM HEAD CAP (See page
WW-4)
4. REMOVE FRONT WIPER ARM RH (See page WW-4)
5. REMOVE FRONT WIPER ARM LH (See page WW-4)
6. REMOVE COWL TOP VENTILATOR LOUVER SUBASSEMBLY
(See page WW-4)
7. REMOVE ...
Diagnosis system
1. CHECK DLC3
The vehicle's ECU uses ISO 15765-4 for
communication protocol. The terminal arrangement
of the DLC3 complies with SAE J1962 and matches
the ISO 15765-4 format.
NOTICE:
*: Before measuring the resistance, leave the
vehicle as is for at least 1 minute and do not
ope ...
The Other Caller's Voice cannot be Heard, is too Quiet, or Distorted
INSPECTION PROCEDURE
1 CHECK CELLULAR PHONE
Check if the voice on the other side can be heard using a
cellular phone.
OK:
Voice can be heard
2 CHECK NAVIGATION SYSTEM
Check that navigation sound can be heard from the
driver side speaker.
OK:
Audio sound can be heard
3 CHECK SE ...
