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:

GPS Mark is not Displayed
INSPECTION PROCEDURE 1 CHECK CABIN Check the cabin for any object that might interrupt radio reception on the instrument panel. If such an object exists, remove it and check if the GPS mark reappears. HINT: The GPS uses extremely faint radio waves originating from satellites. If the si ...

On-vehicle inspection
NOTICE: In this section, the terms "cold" and "hot" refer to the temperature of the coils. "Cold" means approximately - 10°C (14°F) to 50°C (122°F). "Hot" means approximately 50°C (122°F) to 100°C (212°F). 1. INSPECT IGNITION C ...

Shifting the shift lever
While the engine switch is in the “ON” position (vehicles without a smart key system) or IGNITION ON mode (vehicles with a smart key system), move the shift lever with the brake pedal depressed. When shifting the shift lever between P and D, make sure that the vehicle is completely ...

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