Engine Immobilizer System (w/ Smart Key System)

THEFT DETERRENT / KEYLESS ENTRY: ENGINE IMMOBILISER SYSTEM (w/ Smart Key System): TERMINALS OF ECU

1. CHECK ENGINE SWITCH





(a) Disconnect the F71 switch connector.

(b) Measure the resistance according to the value(s) in the table below.





If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the F71 switch connector.

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





HINT
*: Remove the key battery before performing this inspection.

If the result is not as specified, the engine switch may have a malfunction.

(e) Inspect using an oscilloscope.

(1) Waveform 1 (Reference)





Measurement Condition





(2) Waveform 2 (Reference)





Measurement Condition





HINT
*: Remove the key battery before performing this inspection.

(3) Waveform 3 (Reference)





Measurement Condition





2. CHECK CERTIFICATION ECU





(a) Disconnect the F79 ECU connector.

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





If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the F79 ECU connector.

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





HINT
*: Remove the key battery before performing this inspection.

If the result is not as specified, the certification ECU may have a malfunction.

(e) Inspect using an oscilloscope.

(1) Waveform 1 (Reference)





Measurement Condition





(2) Waveform 2 (Reference)





Measurement Condition





HINT
*: Remove the key battery before performing this inspection.

(3) Waveform 3 (Reference)





Measurement Condition





3. CHECK ID CODE BOX





(a) Disconnect the F72 box connector.

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





If the result is not as specified, there may be a malfunction on the wire harness side.

(c) Reconnect the F72 box connector.

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





If the result is not as specified, the ID code box may have a malfunction.

(e) Inspect using an oscilloscope.

(1) Waveform 1 (Reference)





Measurement Condition





(2) Waveform 2 (Reference)





Measurement Condition





4. CHECK STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU)





(a) Disconnect the F68 ECU connector.

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





If the result is not as specified, there may be a malfunction on the wire harness side.

5. CHECK POWER MANAGEMENT CONTROL ECU





(a) Disconnect the F80 ECU connector.

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





If the result is not as specified, there may be a malfunction on the wire harness side.

6. CHECK ECM





(a) Measure the voltage according to the value(s) in the table below.





If the result is not as specified, the ECM may have a malfunction.

(b) Inspect using an oscilloscope.

(1) Waveform 1 (Reference)





Measurement Condition





(2) Waveform 2 (Reference)





Measurement Condition