Toyota RAV4 manuals

Toyota Sienna Service Manual: 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 seconds.

DTC No.

DTC Detection Condition

Trouble Area

B1217

RL-DOOR ECU communication stops
  • Power slide door ECU LH
  • Wire harness

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

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

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

  1. Disconnect the P25 and P26 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 LH - GROUND)

CHECK HARNESS AND CONNECTOR (POWER SLIDE DOOR ECU LH - 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 LH

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 s ...

A/C ECU Communication Stop
DTC B1262 A/C ECU Communication Stop DESCRIPTION DTC B1262 is output when communication between the A/C amplifier and the multiplex network gateway ECU stops for more than 10 seconds. ...

Other materials:

Removal
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL CAUTION: Wait for 90 seconds after disconnecting the cable to prevent the airbag working. 2. REMOVE FRONT SEAT ASSEMBLY HINT:  Refer to the instructions for removal of the front seat assembly (for flat type).  Refer to the in ...

Indicators
The indicators inform the driver of the operating state of the vehicle’s various systems. *1: If equipped *2: These lights turn on when the engine switch is turned to the “ON” position (vehicles without a smart key system) or IGNITION ON mode (vehicles with a smart key system) to ...

Components
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