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
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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:

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Short to B+ in Front Pretensioner Squib RH Circuit
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No. 2 Ultrasonic sensor
COMPONENTS REMOVAL 1. REMOVE REAR BUMPER COVER (2) 2. REMOVE NO. 1 ULTRASONIC SENSOR RETAINER  Remove the No. 1 ultrasonic sensor retainer as shown in the illustration 3. REMOVE NO. 2 ULTRASONIC SENSOR  Disconnect the connector and remove the No. 2 ultrasonic ...

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