Toyota Sienna Service Manual: How to proceed with troubleshooting
HINT: Troubleshoot in accordance with the procedures on the following pages.
1 VEHICLE BROUGHT TO WORKSHOP
2 CUSTOMER PROBLEM ANALYSIS CHECK AND SYMPTOM CHECK
3 PROBLEM SYMPTOMS TABLE
- When problem is not listed on problem symptoms table, proceed to A.
- When problem is listed on problem symptoms table, proceed to B.
4 PERFORM TROUBLESHOOTING ACCORDING TO MALFUNCTION SYMPTOM
- Data list / Active test.
- Circuit inspection
5 ADJUST, REPAIR OR REPLACE
6 RESET POWER WINDOW REGULATOR MOTOR
- If the AUTO switch (driver side switch) light of the power window master switch is blinking after the repair, reset the power window motor
END
Power window control system (w/ Jam Protection
Function)
PARTS LOCATION
...
Operation check
1. CHECK WINDOW LOCK SWITCH
Check that the passenger side power window and
slide door power window operation is disabled when
the window lock switch of the power window master
swit ...
Other materials:
Oxygen Sensor Circuit Malfunction/ Oxygen Sensor Circuit Low Voltage/ Oxygen
Sensor Circuit High Voltage
DTC P0136 Oxygen Sensor Circuit Malfunction (Bank 1
Sensor 2)
DTC P0137 Oxygen Sensor Circuit Low Voltage (Bank 1
Sensor 2)
DTC P0138 Oxygen Sensor Circuit High Voltage (Bank 1
Sensor 2)
DTC P0156 Oxygen Sensor Circuit Malfunction (Bank 2
Sensor 2)
DTC P0157 Oxygen Sensor Circuit Low Voltage ...
Problem symptoms table
POWER SLIDE DOOR SYSTEM
Symptom
Suspected Area
Power slide door LH does not operate when switch* is
pressed (* switch indicates satellite switch for power
slide door LH and power slide door control switch LH)
ECU-B fuse
Power slide door main switch ...
Engine Hood Courtesy Switch Circuit
DESCRIPTION
The engine hood courtesy switch is built in the engine hood lock assembly.
The switch turns on when the
engine hood is opened and turns off when the engine hood is closed.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT ENGINE HOOD COURTESY SWITCH
Remove the courtesy swi ...
