Toyota RAV4 manuals

Toyota Sienna Service Manual: Skid Control ECU Communication Stop Mode

DESCRIPTION

Detection Item

Symptom

Trouble Area

Skid Control ECU Communication Stop Mode
  • "ABS/VSC/TRC" is not displayed on the "Communication Bus Check" screen of the intelligent tester
  • Applies to "Skid Control ECU Communication Stop Mode" in the "DTC COMBINATION TABLE"
  • Power source circuit of skid control ECU
  • Skid control ECU branch wire or connector
  • Skid control ECU with Actuator

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 (SKID CONTROL ECU BRANCH WIRE)

CHECK OPEN IN CAN BUS WIRE (SKID CONTROL ECU BRANCH WIRE)

  1. Turn the ignition switch off.
  2. Disconnect the skid control ECU with Actuator connector.
  3. Measure the resistance according to the value(s) in the table below.

Standard resistance

Standard resistance

2 CHECK WIRE HARNESS (IG1, GND1, GND2)

CHECK WIRE HARNESS (IG1, GND1, GND2)

  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

REPLACE ABS & TRACTION ACTUATOR ASSEMBLY

Fail-safe chart
1. FAIL-SAFE FUNCTION When communication fails in any of the main wires (communication lines) due to a short circuit or other causes, the fail-safe function, which is specified for each syst ...

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 ...

Other materials:

Diagnosis system
1. CHECK DLC3  The vehicle's ECU uses ISO 15765-4 for communication protocol. The terminal arrangement of the DLC3 complies with SAE J1962 and matches the ISO 15765-4 format. NOTICE: *: Before measuring the resistance, leave the vehicle as is for at least 1 minute and do not ...

Removal
1. REMOVE REAR DOOR SCUFF PLATE LH 2. REMOVE REAR DOOR WEATHERSTRIP LH 3. REMOVE BACK DOOR WEATHERSTRIP 4. REMOVE BACK DOOR SCUFF PLATE 5. REMOVE QUARTER TRIM FRONT PANEL ASSEMBLY LH 6. REMOVE VOLTAGE INVERTER ASSEMBLY  Disconnect the connector.  Remove the 2 bolts and the v ...

Power Slide Door LH does not Operate When Using Inside / Outside Handle
DESCRIPTION  The inside / outside handles have the ability to control operation of the power slide door. Pulling either handle transmits a request signal to the power slide door ECU LH, which then commands the power slide door control motor and clutch to open / close the power sli ...

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