Toyota RAV4 manuals

Toyota Sienna Service Manual: Gateway ECU Communication Stop Mode

DESCRIPTION

Detection Item

Symptom

Trouble Area

Gateway ECU Communication Stop Mode
  • "Gateway" is not displayed on the "Communication Bus Check" screen of the intelligent tester
  • Applies to "Gateway ECU Communication Stop Mode" in the "DTC COMBINATION TABLE"
  • Power source circuit of gateway ECU
  • Gateway ECU branch wire or connector
  • Network Gateway ECU

WIRING DIAGRAM

WIRING DIAGRAM

INSPECTION PROCEDURE

NOTICE:

HINT: Operating the ignition switch, any switches, or any doors triggers related ECU and sensor communication with the CAN. This communication will cause the resistance value to change.

1 CHECK OPEN IN CAN BUS WIRE (ECU MAIN BUS WIRE)

CHECK OPEN IN CAN BUS WIRE (ECU MAIN BUS WIRE)

  1. Turn the ignition switch off.
  2. Disconnect the network gateway ECU connector.
  3. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

2 CHECK WIRE HARNESS (IG, BATT, GND)

CHECK WIRE HARNESS (IG, BATT, GND)

  1. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

  1. Measure the voltage according to the value(s) in the table below.

Standard voltage

Standard voltage

REPLACE NETWORK GATEWAY ECU

Distance Control ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Distance Control ECU Communication Stop Mode Distance control" is not displayed on the &qu ...

Steering Angle Sensor Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Steering Angle Sensor Communication Stop Mode "Steering angle sensor" is not displayed on ...

Other materials:

Power Seat ECU Communication Stop
DTC B1272 Power Seat ECU Communication Stop DESCRIPTION This DTC is detected when communication between the seat position control ECU and the multiplex network gateway ECU stops for more than 10 seconds. DTC No. DTC Detection Condition Trouble Area B1272 ...

Cleaning and protecting the vehicle exterior
Perform the following to protect the vehicle and maintain it in prime condition: Working from top to bottom, liberally apply water to the vehicle body, wheel wells and underside of the vehicle to remove any dirt and dust. Wash the vehicle body using a sponge or soft cloth, such as a cha ...

Parking Brake Switch Circuit
DESCRIPTION The Multiplex network body ECU receives parking brake switch signal. WIRING DIAGRAM INSPECTION PROCEDURE 1 READ VALUE OF INTELLIGENT TESTER Connect the intelligent tester to DLC3.  Turn the ignition switch ON and push the intelligent tester main switch ON.  Se ...

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