Toyota RAV4 manuals

Toyota Sienna Service Manual: 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

DTC No.

DTC Detection Condition

Trouble Area

B1209

Driver side outer mirror ECU communication stops
  • Outer mirror control ECU LH
  • Wire harness

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

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

 CHECK HARNESS AND CONNECTOR

  1. Disconnect the O9 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 LH - 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 LH

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 seco ...

Short to B+ in Door System Communication Bus Malfunction/ Short to GND in Door System Communication Bus Malfunction
DTC B1214 Short to B+ in Door System Communication Bus Malfunction DTC B1215 Short to GND in Door System Communication Bus Malfunction DESCRIPTION DTCs B1214 and B1215 are output when a short to ...

Other materials:

Throttle Actuator Control Throttle Body Range / Performance
DTC P2119 Throttle Actuator Control Throttle Body Range / Performance DESCRIPTION The Electronic Throttle Control System (ETCS) is composed of the throttle actuator, Throttle Position (TP) sensor, Accelerator Pedal Position (APP) sensor, and ECM. The ECM operates the throttle actuator to re ...

Open in Occupant Classification ECU Battery Positive Line
DTC B1794 Open in Occupant Classification ECU Battery Positive Line DESCRIPTION This circuit consists of the occupant classification ECU and the power source circuit (battery, fuse, wire harness). DTC B1794 is recorded when a malfunction is detected in the occupant classification ECU or t ...

Removal
1. REMOVE OUTSIDE MOULDING Put protective tape around the outside moulding. Using a heat light, heat the moulding between 40 to 60 C (104 to 140 F). NOTICE: Do not heat the moulding excessively. Tie both piano wire ends to a wooden block or a similar object. Cut off the tape by ...

В© 2011-2025 Copyright www.tsienna.net