Engine Immobilizer System (W/ Smart Key System)
TERMINALS OF ECUTerminals Of Control Module / Pinouts:
1. CHECK TRANSPONDER KEY AMPLIFIER
a. Disconnect the T8 amplifier connector.
b. Measure the resistance of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Reconnect the T8 amplifier connector.
d. Measure the voltage and resistance of the connector.
If the result is not as specified, the amplifier may have a malfunction.
Oscilloscope Waveforms Part 1:
Oscilloscope Waveforms Part 2:
e. Inspect using an oscilloscope.
Terminals Of Control Module / Pinouts:
2. CHECK STEERING LOCK ECU
a. Disconnect the S46 ECU connector.
b. Measure the voltage and resistance of the wire harness side connector.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Reconnect the S46 ECU connector.
d. Measure the voltage of the connector.
If the result is not as specified, the ECU may have a malfunction.
Oscilloscope Waveforms Part 1:
Oscilloscope Waveforms Part 2:
e. Inspect using an oscilloscope.
Terminals Of Control Module / Pinouts:
3. CHECK ECM
a. Disconnect the E2 and E4 ECM connectors.
b. Measure the voltage and resistance of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
Oscilloscope Waveforms:
c. Inspect using an oscilloscope.