Toyota Sienna Service Manual: Back Door Closer does not Operate
DESCRIPTION
The power back door ECU controls the back door closer system. In response to the signals output from the switches related to the back door lock, the back door latch activates the closer motor.
HINT: The back door closer system operates regardless of whether the power back door main switch is ON / OFF.
WIRING DIAGRAM
INSPECTION PROCEDURE
1 INSPECT BACK DOOR LOCK
- Check that the back door fully closes (fully locked) when the door is closed by hand.
2 POWER SOURCE RESET
- Disconnect the ECU-B fuse and reconnect it. 10 seconds later, check whether the back door closer is operational.
3 INSPECT BACK DOOR LOCK ASSEMBLY
- Check operation of the door lock.
- Using a screwdriver, push the latch in order to put the back door lock in the locked condition (full-latch position).
- Connect the battery positive (+) lead to terminal 1
and the battery negative (-) lead to terminal 2. Then,
check operation of the latch.
OK: The latch turns to the open-latch position
- Inspect motor operation when battery voltage is applied to the terminals.
OK
- Check the back door courtesy switch resistance.
- Check the resistance between the terminals of the courtesy switch.
Resistance
- Check the back door latch switch resistance.
- Check the resistance between the terminals of the latch switch.
Resistance
- Check the position switch resistance.
- Connect the battery positive (+) lead to connector terminal 1 and the negative (-) lead to connector terminal 2.
Resistance
4 CHECK WIRE HARNESS (BACK DOOR LOCK ASSEMBLY - POWER BACK DOOR ECU)
- Disconnect the B10 lock and P13 ECU connectors.
- Check the resistance between the wire harness side connectors.
Resistance (Check for open circuit)
- Check the resistance between the B10 lock connector and body ground.
Resistance (Check for open circuit)
REPLACE POWER BACK DOOR ECU
Back Door Closer Switch Malfunction
DTC B2215 Back Door Closer Switch Malfunction
DESCRIPTION
This DTC is output when a malfunction occurs in the position switch in the
back door. This position switch
detects if the back door is in ...
Power back door system
PARTS LOCATION
...
Other materials:
Rear Door ECU RH Communication Stop
DTC B1216 Rear Door ECU RH Communication Stop
DESCRIPTION
DTC B1216 is output when communication between the power slide door ECU RH
and the multiplex
network gateway ECU stops for more than 10 seconds.
DTC No.
DTC Detection Condition
Trouble Area
B1216
...
Problem symptoms table
HINT:
Before performing verification listed in the table below,
check the fuse and relay.
Check the circuits for each problem symptom in the order
given in the table below, and proceed to the relevant page.
CLEARANCE SONAR SYSTEM:
*1: with Front Clearance Sonar
*2: wit ...
Problem symptoms table
POWER WINDOW CONTROL SYSTEM (W/ JAM PROTECTION)
Symptom
Suspected Area
AUTO UP/DOWN function does not operate
Power window regulator motor assembly (Driver side)
Wire harness
Power window regulator master switch assembly
Remote ...
