Toyota Sienna Service Manual: 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 |
RR-DOOR ECU communication stops |
|
WIRING DIAGRAM
INSPECTION PROCEDURE
1 CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU RH - BATTERY)
- Disconnect the P28 and P27 ECU connectors.
- Measure the voltage according to the value(s) in the table below.
Standard voltage
2 CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU RH - GROUND)
- Measure the resistance according to the value(s) in the table below.
Standard resistance
3 CHECK COMMUNICATION LINE
- Disconnect the G4 ECU connector.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
Result
REPLACE POWER SLIDE DOOR ECU RH
Short to B+ in Door System Communication
Bus Malfunction/ Short to GND in Door System Communication
Bus Malfunction
DTC B1214 Short to B+ in Door System Communication
Bus Malfunction
DTC B1215 Short to GND in Door System Communication
Bus Malfunction
DESCRIPTION
DTCs B1214 and B1215 are output when a short to ...
Rear Door ECU LH Communication Stop
DTC B1217 Rear Door ECU LH Communication Stop
DESCRIPTION
DTC B1217 is output when communication between the power slide door ECU LH
and the multiplex
network gateway ECU stops for more than 10 s ...
Other materials:
Installation
1. TEMPORARILY TIGHTEN AIR CONDITIONING UNIT ASSEMBLY
(a) Engage the 2 claws.
(b) Temporarily tighten the air conditioning unit
assembly with the nut.
Torque: 9.8 N*m (100 kgf*cm, 87 in.*lbf)
2. INSTALL LOWER DEFROSTER NOZZLE ASSEMBLY
(a) Engage the 4 claws and install the lower defr ...
Installation
1. INSTALL RACK & PINION POWER STEERING GEAR ASSEMBLY
(a) Install the power steering gear assembly with the 2
bolts and nuts.
Torque: 70 N*m (714 kgf*cm, 52 ft.*lbf)
2. CONNECT PRESSURE FEED TUBE ASSEMBLY
(a) Connect the pressure feed tube assembly to the
power steering gear asse ...
Problem symptoms table
POWER BACK DOOR SYSTEM
Symptom
Suspected Area
Power back door does not operate when switch* is
pressed (* Switch indicates the satellite switch for
power back door)
ECU-B fuse
Power back door main switch
Satellite switch
Power back door tou ...
