Smart Key System (for Entry Function)

THEFT DETERRENT / KEYLESS ENTRY: SMART KEY SYSTEM (for Entry Function): TERMINALS OF ECU

TERMINALS OF ECU

1. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)
(a) Disconnect the D25 certification ECU (smart key ECU assembly) 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 connector disconnected.





If the result is not as specified, there may be a malfunction in the wire harness.
(c) Reconnect the D25 certification ECU (smart key ECU assembly) 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 have a malfunction.
2. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK ASSEMBLY)
(a) Disconnect the 2C and 2F main body ECU (driver side junction block assembly) connectors.





(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 2C and 2F main body ECU (driver side junction block assembly) connectors.
(d) Measure the voltage and check for pulses according to the value(s) in the table below.









- *1: w/o Back Door Closer System
- *2: w/ Back Door Closer System
If the result is not as specified, the main body ECU (driver side junction block assembly) may have a malfunction.
3. ACCESSORY METER ASSEMBLY
(a) Disconnect the F1*1 or F2*2 accessory meter assembly connector.
- *1: w/ Rear View Monitor System
- *2: w/o Rear View Monitor System





(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 connector disconnected.





- *1: w/ Rear View Monitor System
- *2: w/o Rear View Monitor System
If the result is not as specified, there may be a malfunction in the wire harness.
(c) Reconnect the F1*1 or F2*2 accessory meter assembly connector.
- *1: w/ Rear View Monitor System
- *2: w/o Rear View Monitor System

(d) Measure the voltage and resistance according to the value(s) in the table below.





- *: w/o Rear View Monitor System
If the result is not as specified, the accessory meter assembly may have a malfunction.