Toyota RAV4 manuals

Toyota Sienna Service Manual: Passenger Side Outer Mirror ECU

DTC B1208 Passenger Side Outer Mirror ECU

DESCRIPTION

This DTC is detected when communication between the outer mirror control ECU RH and multiplex network gateway ECU stops for more than 10 seconds.

DTC No.

DTC Detecting Condition

Trouble Area

B1208

Passenger side outer mirror ECU communication stops
  • Outer mirror control ECU RH
  • Wire harness

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

1 CHECK HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU RH - BATTERY)

CHECK HARNESS AND CONNECTOR

  1. Disconnect the O11 ECU connector.
  2. Measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

2 CHECK HARNESS AND CONNECTOR (OUTER MIRROR CONTROL ECU RH - GROUND)

CHECK HARNESS AND CONNECTOR

  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 OUTER MIRROR CONTROL ECU RH

MPX Body ECU Stop
DTC B1200 MPX Body ECU Stop DESCRIPTION This DTC is detected when communication between the multiplex network body ECU and the multiplex network gateway ECU stops for more than 10 seconds. ...

Driver Side Outer Mirror
DTC B1209 Driver Side Outer Mirror DESCRIPTION This DTC is detected when communication between the outer mirror control ECU LH and multiplex network gateway ECU stops for more than 10 seconds ...

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TS and CG Terminal Circuit
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Problem symptoms table
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