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:
Removal
1. REMOVE TRANSFER CASE NO.1 PLUG (See page
TF-8)
2. REMOVE TRANSFER DRAIN PLUG
(a) Remove the transfer drain plug, drain gasket and
bleed transfer oil.
3. REMOVE EXHAUST PIPE ASSEMBLY
HINT:
(See page EX-8)
4. REMOVE PROPELLER WITH CENTER BEARING
SHAFT ASSEMBLY
HINT:
(See page PR-3)
5. R ...
Removal
HINT:
Remove the RH side by the same procedure as the LH side.
1. REMOVE REAR WHEEL
2. REMOVE QUARTER TRIM PANEL ASSEMBLY
FRONT LH
HINT:
Remove the LH side by the same procedure as the RH
side (See page IR-9).
3. REMOVE REAR SPEED SENSOR
(a) Disconnect the speed sensor connector, and pu ...
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 ...
