IS 250C V6-2.5L (4GR-FSE) (2011)
If the result is not as specified, there may be a malfunction on the wire harness side.
LIN Communication System
NETWORKING: LIN COMMUNICATION SYSTEM: TERMINALS OF ECU
1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the P33 ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table below.
HINT
Measure the values on the wire harness side with the connector disconnected.
If the result is not as specified, there may be a malfunction in the wire harness.
(c) Reconnect the P33 ECU connector.
(d) Measure the voltage and check for pulses according to the value(s) in the table below.
If the result is not as specified, the certification ECU (smart key ECU assembly) may be malfunctioning.
2. CHECK POWER SOURCE CONTROL ECU
(a) Disconnect the J55 ECU connector.