Inspection Procedure
NOTE:
When replacing the skid control ECU, perform initialization of linear solenoid valve and calibration (See INITIALIZATION
).
- INSPECT CAN COMMUNICATION SYSTEM
- Check if the CAN communication system DTC is output (See
DIAGNOSIS SYSTEM
).
Result
RESULT CHARTCondition Proceed To DTC is not output A DTC is output B
B: REPAIR CAN COMMUNICATION SYSTEM
A: Go to next step
- Check if the CAN communication system DTC is output (See
DIAGNOSIS SYSTEM
).
- INSPECT MULTIPLEX COMMUNICATION SYSTEM
- Check if the multiplex communication system DTC is output (See
DTC CHECK / CLEAR
).
Result
RESULT CHARTCondition Proceed To DTC is not output A DTC is output B
B: REPAIR MULTIPLEX COMMUNICATION SYSTEM
A: Go to next step
- Check if the multiplex communication system DTC is output (See
DTC CHECK / CLEAR
).
- INSPECT IF SKID CONTROL ECU CONNECTOR IS SECURELY CONNECTED
- Check the skid control ECU connector's connecting condition.
OK: The connector should be securely connected.
NG: CONNECT CONNECTOR TO ECU CORRECTLY
OK: Go to next step
- Check the skid control ECU connector's connecting condition.
- INSPECT BATTERY
- Check the battery voltage.
Voltage:
Voltage: 10 to 14 V
NG: INSPECT CHARGING SYSTEM
OK: Go to next step
- Check the battery voltage.
- INSPECT SKID CONTROL ECU (IG1 TERMINAL)
- Turn the ignition switch on.
- Measure the voltage according to the value(s) in the table below.
Voltage
VOLTAGE SPECIFICATION CHARTTester Connection Condition Specified Condition S39-7 (IG1) - Body ground Ignition switch on 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (IG1 CIRCUIT)
OK: Go to next step
- INSPECT SKID CONTROL ECU (GND TERMINAL)
- Measure the resistance according to the value(s) in the table below.
Resistance
RESISTANCE SPECIFICATION CHARTTester Connection Specified Condition S38-1 (GND1) - Body ground Below 1 Ω S39-2 (GND2) - Body ground Below 1 Ω S39-1 (GND3) - Body ground Below 1 Ω S40-2 (GND4) - Body ground Below 1 Ω S40-1 (GND5) - Body ground Below 1 Ω S414 (GND6) - Body ground Below 1 Ω
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR (GND CIRCUIT)
OK: Go to next step
- Measure the resistance according to the value(s) in the table below.
- INSPECT COMBINATION METER ASSEMBLY
- Check the combination meter assembly (See
HOW TO PROCEED WITH TROUBLESHOOTING
).
HINT:
If troubleshooting has been carried out according to the PROBLEM SYMPTOMS TABLE, refer back to the table and proceed to the next step before replacing the part (See PROBLEM SYMPTOMS TABLE ).
NG: REPLACE COMBINATION METER ASSEMBLY
OK: REPLACE SKID CONTROL ECU
- Check the combination meter assembly (See
HOW TO PROCEED WITH TROUBLESHOOTING
).