Toyota Sienna Service Manual: How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 CHECK AND CLEAR DTCs
- Refer to the diagnostic check/clear
4 PROBLEM SYMPTOM CONFIRMATION
5 SYMPTOM SIMULATION
6 CHECK DTC
7 CHECK IF THE SAME SYMPTOM APPEARS IN THE NAVIGATION SYSTEM
- Refer to the navigation system
8 PROBLEM SYMPTOMS TABLE
- Refer to the problem symptoms table
9 BASED ON THE MALFUNCTION SYMPTOM, PERFORM TROUBLESHOOTING BELOW
- Terminals of ECU
10 ADJUST, REPAIR OR REPLACE
11 CONFIRMATION TEST
END
System description
1. GENERAL
To assist the driver with parking the vehicle by
displaying an image of the area behind the vehicle,
this system has a television camera mounted on the
luggage compartment d ...
Problem symptoms table
Before inspecting the suspected areas listed in the table
below, check the fuse and relay.
Before inspecting the suspected areas listed in the table
below, check the DTCs.
Metho ...
Other materials:
Chassis
GENERAL MAINTENANCE
1. INSPECT STEERING LINKAGE
(a) Check the steering linkage for looseness or
damage.
Check that:
Tie rod ends do not have excessive play.
Dust seals and boots are not damaged.
Boot clamps are not loose.
(b) Inspect the dust cover for damage.
2. INSPECT STEERING G ...
Radio Receiver Communication Error
INSPECTION PROCEDURE
1 IDENTIFY THE COMPONENT SHOWN BY THE SUB-CODE
Enter the diagnostic mode
Press the preset switch "3" to change to "Detailed
Information Mode".
Identify the component shown by the sub-code.
HINT:
"190 (radio receiver) ...
Camshaft Position Sensor "A" Circuit
DESCRIPTION
The intake camshaft's Variable Valve Timing (VVT) sensor (G signal) consists
of a magnet and MRE
(Magneto Resistance Element).
The VVT camshaft drive gear has a sensor plate with 3 teeth on its outer
circumference. When the gear
rotates, changes occur in the air gaps betwee ...
