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:
Diagnosis Circuit
DESCRIPTION
DTC output mode is set by connecting terminals TC and CG of the DLC3.
DTCs are displayed by blinking the SRS warning light.
HINT:
When each warning light stays blinking, a ground short in the
wiring of terminal TC of the DLC3 or an
internal ground short in each ECU is ...
Inspection
1. INSPECT SHOCK ABSORBER ASSEMBLY REAR LH
(a) Push down and pull up the shock absorber rod, and
check that there is no unusual resistance or unusual
operation sound.
If there is any malfunction, replace the shock
absorber with a new one.
NOTICE:
When disposing of the shock absorber, se ...
Steering wheel audio
switches
Some audio features can be controlled using the switches on
the steering wheel.
Operation may differ depending on the type of audio system or
navigation system. For details, refer to the manual provided with
the audio system or navigation system.
Operating the audio system using the steering ...
