Toyota Sienna Service Manual: How to proceed with troubleshooting
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS
3 CHECK INITIAL CHECK FUNCTION
4 PROBLEM SYMPTOMS TABLE
THE CORRESPONDING SYSTEM DOES NOT EXIST (Go to step 5)
5 BASED ON THE MALFUNCTION SYMPTOM, PERFORM THE TROUBLESHOOTING BELOW
- Operation check (C).
- Terminals of ECU
6 ADJUST, REPAIR OR REPLACE
7 CONFIRMATION TEST
END
System description
1. GENERAL
This system uses ultrasonic sensors to detect any
obstacles at the corners and the rear of the vehicle.
The system then informs the driver of the distance
between the sens ...
Operation check
1. DETECTION RANGE MEASUREMENT AND INDICATOR CHECK
Turn the IG switch ON.
Move the shift lever to the R position (when the back
sonar and rear clearance sonar is checked).
...
Other materials:
Fold Lock Switch Circuit
DESCRIPTION
Each of the left and right seats has a fold lock switch that detects the lock
condition of the seat legs and
floor when the seat is in the stowed state. If the fold lock switch detects an
unlock condition, the 3rd SEAT
indicator on the combination meter will come on.
WIRING DIAGR ...
Slide door lock
INSPECTION
1. INSPECT SLIDE DOOR LOCK REMOTE CONTROL SUB-ASSEMBLY LH
Inspect the resistance of the switch.
Resistance
If the result is not as specified, replace the control
assembly.
2. INSPECT SLIDE DOOR LOCK REMOTE CONTROL SUB-ASSEMBLY RH
Inspect the resistance of the swit ...
Disassembly
1. REMOVE BRAKE MASTER LESS RESERVOIR TANK CYLINDER SUB-ASSEMBLY
(a) Using soft jaws on the vise, hold the brake master
cylinder in a vise through aluminum plates.
(b) Using a screwdriver, remove the O-ring.
(c) Using SST, remove the brake tube from the brake
master cylinder.
SST 09023 ...
