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

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Rear Door ECU LH Communication Stop
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Other materials:

Removal
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Open in Front Passenger Side Squib Circuit
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