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 ...

Other materials:

Front Occupant Classification Sensor RH Circuit Malfunction
DTC B1781 Front Occupant Classification Sensor RH Circuit Malfunction DESCRIPTION The front occupant classification sensor RH circuit consists of the occupant classification ECU and the front occupant classification sensor RH. DTC B1781 is recorded when a malfunction is detected in the fron ...

Terminals of ECU
1. CHECK TRANSPONDER KEY AMPLIFIER Disconnect the I14 amplifier connector and measure the resistance between the terminal of the wire harness side connector and body ground. If the result is not as specified, there may be a malfunction on the wire harness side.  Reconnec ...

Air-fuel ratio (a/f) and heated oxygen (ho2) sensor heater monitors (front a/f and rear ho2 sensor type)
(a) Preconditions The monitor will not run unless: The MIL is OFF. (b) Drive Pattern (1) Connect an intelligent tester to the DLC3. (2) Turn the ignition switch to the ON position. (3) Clear the DTCs. (4) Start the engine. (5) Allow the engine to idle for 10 minutes or more. ...

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