Toyota RAV4 manuals

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
  • Power slide door ECU RH
  • Wire harness

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU RH - BATTERY)

CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU RH - BATTERY)

  1. Disconnect the P28 and P27 ECU connectors.
  2. Measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

2 CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU RH - GROUND)

CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU RH - GROUND)

  1. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

3 CHECK COMMUNICATION LINE

CHECK COMMUNICATION LINE

  1. Disconnect the G4 ECU connector.
  2. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

Result

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:

Terminals of ECU
1. CHECK POWER SLIDE DOOR ECU LH (WITH POWER SLIDE DOOR) Disconnect the P25 and P26 ECU connectors, and check the voltage and resistance of each terminal of the wire harness side connectors. If the result is not as specified, there may be a malfunction on the wire harness side. ...

Installation
1. INSTALL SPARK PLUG (a) Install the 6 spark plugs. Torque: 18 N*m (183 kgf*cm, 13 ft.*lbf) 2. INSTALL IGNITION COIL ASSEMBLY (a) Install the 6 ignition coils with the 6 bolts. Torque: 10 N*m (102 kgf*cm, 7 ft.*lbf) (b) Connect the 6 ignition coil connectors. 3. INSTALL NO. 1 SUR ...

On-vehicle inspection
1. INSPECT SEAT POSITION SENSOR (VEHICLE NOT INVOLVED IN COLLISION)  Perform a diagnostic system check. 2. INSPECT SEAT POSITION SENSOR (VEHICLE INVOLVED IN COLLISION)  Perform a diagnostic system check.  Even if the airbag was not deployed, check if there is any dama ...

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