Inspection Procedure
WARNING: This page is about a different car, the 2008 Lexus RX 350. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK OPEN IN CAN BUS WIRE (SKID CONTROL ECU BRANCH WIRE)
- Turn the ignition switch to the LOCK position.
- Disconnect the skid control ECU connector (S1) from the skid control ECU.
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFICATION TABLETester connection Condition Specified value S1-11 (CANH)-S1-25 V (CANL) Ignition switch off 54 to 69 Ω
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NG: REPAIR OR REPLACE SKID CONTROL ECU BRANCH WIRE OR CONNECTOR (CAN-H, CAN-L)
OK: Go to Next Step
- CHECK WIRE HARNESS (IG, GND1)
- Measure the resistance according to the value(s) in the table below.
Standard resistance
RESISTANCE SPECIFICATION TABLETester connection Condition Specified value S1-32 (GND1) - Body ground Always Below 1 Ω - Measure the voltage according to the value(s) in the table below.
Standard voltage
VOLTAGE SPECIFICATION TABLETester connection Condition Specified value S1-46 (IG1) - Body ground Ignition switch on 10 to 14 V
NG: REPAIR OR REPLACE HARNESS OR CONNECTOR
OK: REPLACE SKID CONTROL ECU WITH ACTUATOR
- Measure the resistance according to the value(s) in the table below.