Toyota Sienna Service Manual: How to proceed with troubleshooting
HINT:
- Use the following procedures to troubleshoot the dynamic laser cruise control system.
- *: Use the intelligent tester
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 PROBLEM SYMPTOM CONFIRMATION
Result
SYMPTOM SIMULATION
4 INSPECT BATTERY VOLTAGE
Standard voltage: 11 to 14 V
If the voltage is below 11 V, replace or recharge the battery before proceeding.
5 CHECK COMMUNICATION FUNCTION OF MULTIPLEX COMMUNICATION SYSTEM (BEAN)
- Use the intelligent tester to check if the multiplex communication system (MPX) is functioning normally.
Result
6 CHECK COMMUNICATION FUNCTION OF CONTROLLER AREA NETWORK (CAN)
- Use the intelligent tester to check for normal function of the CAN communication system.
- Check for DTCs.
Result
7 DTC CHECK
Result
8 DTC CHART
9 PROBLEM SYMPTOMS TABLE
10 CIRCUIT INSPECTION
11 TERMINALS OF ECM
12 IDENTIFICATION OF PROBLEM
13 REPAIR OR REPLACE
14 CONFIRMATION TEST
END
System description
1. GENERAL
The dynamic laser cruise control system has two
cruise control modes: the constant speed control
mode and vehicle-to-vehicle distance control mode.
The vehicle-to- ...
Road test
1. PROBLEM SYMPTOM CONFIRMATION
HINT:
The dynamic laser cruise control system has two cruise
control modes: the constant speed control mode and
vehicle-to-vehicle distance control mode.
...
Other materials:
Precaution
1. INSPECTION PROCEDURE FOR VEHICLE INVOLVED
IN ACCIDENT
Perform the zero point calibration and sensitivity
check if any of the following conditions occur.
The occupant classification ECU is replaced.
Accessories (seatback tray and seat cover, etc.)
are installed.
...
Inspection
1. Inspect no. 3 Intake air control valve
assembly
(A) inspect actuator operation.
(1) With 26.7 Kpa (200 mm hg, 7.9 In. Hg) of
vacuum applied to the actuator, check that the
actuator rod moves.
(2) One minute after applying the vacuum, check
that the actuator rod does not return.
...
Installation
1. INSTALL TIMING CHAIN CASE OIL SEAL
(a) Using SST, tap in a new oil seal until its surface is
flush with the timing chain case edge.
SST 09223-22010, 09506-35010
NOTICE:
Keep the lip free from foreign matter.
Do not tap on the oil seal at an angle.
Make sure that the oil ...
