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:

Inspection
1. Inspect starter assembly NOTICE: These tests must be performed within 3 to 5 seconds to avoid burning out the coil. (a) Perform the pull-in test. (1) Disconnect the lead wire from terminal C. (2) Connect the battery to the magnetic switch as shown in the illustratio ...

Rear Occupant Classification Sensor RH Circuit Malfunction
DTC B1783 Rear Occupant Classification Sensor RH Circuit Malfunction DESCRIPTION The rear occupant classification sensor RH circuit consists of the occupant classification ECU and the rear occupant classification sensor RH. DTC B1783 is recorded when a malfunction is detected in the rear oc ...

Fuel Pump Primary Circuit
DTC P0230 Fuel Pump Primary Circuit DESCRIPTION  This DTC is designed to detect a malfunction in the fuel pump (FUEL PUMP) relay circuit. When the system is normal, the battery voltage is applied to FPR terminal of the ECM while the FUEL PUMP relay is turned OFF. If the battery v ...

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