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
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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:

On-vehicle inspection
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Installation
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On-vehicle inspection
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