Pinout Values and Diagnostic Parameters

DOOR LOCK: POWER DOOR LOCK CONTROL SYSTEM: TERMINALS OF ECU

1. CHECK MAIN BODY ECU (DRIVER SIDE JUNCTION BLOCK)





(a) Disconnect the DA, DD, DF, L11, L12, L13 and A68 ECU connectors.

(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.

2. CHECK MASTER SWITCH ASSEMBLY





(a) Disconnect the N13 switch 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.

3. CHECK FRONT DOOR ECU LH





(a) Disconnect the N10 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.

(c) Reconnect the N10 ECU connector.

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





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

(e) Using an oscilloscope, check the waveform 1.





Waveform 1 (Reference):





(f) Using an oscilloscope, check the waveform 2.





Waveform 2 (Reference):





(g) Using an oscilloscope, check the waveform 3.





Waveform 3 (Reference):





(h) Using an oscilloscope, check the waveform 4.





Waveform 4 (Reference):





4. CHECK FRONT DOOR ECU RH





(a) Disconnect the N1 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.

(c) Reconnect the N1 ECU connector.

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





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

(e) Using an oscilloscope, check the waveform 1.





Waveform 1 (Reference):





(f) Using an oscilloscope, check the waveform 2.





Waveform 2 (Reference):





(g) Using an oscilloscope, check the waveform 3.





Waveform 3 (Reference):





(h) Using an oscilloscope, check the waveform 4.





Waveform 4 (Reference):





5. CHECK REAR DOOR ECU LH





(a) Disconnect the O14 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.

(c) Reconnect the O14 ECU connector.

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





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

(e) Using an oscilloscope, check the waveform 1.





Waveform 1 (Reference):





(f) Using an oscilloscope, check the waveform 2.





Waveform 2 (Reference):





6. CHECK REAR DOOR ECU RH





(a) Disconnect the O3 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.

(c) Reconnect the O3 ECU connector.

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





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

(e) Using an oscilloscope, check the waveform 1.





Waveform 1 (Reference):





(f) Using an oscilloscope, check the waveform 2.





Waveform 2 (Reference):