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:
Accelerator pedal rod
COMPONENTS
ON-VEHICLE INSPECTION
1. CHECK ACCELERATOR PEDAL ROD
(a) Check the voltage.
(1) Connect the intelligent tester to the DLC3.
(2) Turn the ignition switch to the ON position.
(3) Turn the intelligent tester on.
(4) Select the menu items: DIAGNOSIS /
ENHANCED OBD II / D ...
Problem symptoms table
Use the table below to find the cause of the problem. The
numbers indicate the priority of the likely cause of the
problem. Check each part in order. If necessary, replace
these parts.
Front A/C:
Rear A/C:
...
A/F Sensor Circuit Slow Response
HINT:
DTC P2A00 indicates malfunctions related to the bank 1 A/F sensor.
DTC P2A03 indicates malfunctions related to the bank 2 A/F sensor.
Bank 1 refers to the bank that includes cylinder No. 1.
Bank 2 refers to the bank that includes cylinder No. 2.
Sensor 1 refers to the sensor mo ...
