HS 250h L4-2.4L (2AZ-FXE) Hybrid (2010)
(a) Turn the power switch off.
(b) Disconnect the smart key ECU (certification ECU) connector.
Text in Illustration
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
NG -- REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (CERTIFICATION ECU)
OK -- Continue to next step.
2. CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT)
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Text in Illustration
NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT)
OK -- REPLACE SMART KEY ECU (CERTIFICATION ECU)