Power Back Door System

DOOR / HATCH: POWER BACK DOOR SYSTEM: TERMINALS OF ECU

1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT)





(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.





(b) If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the P33 ECU connector.

(d) Initialize the power back door system Initialization.

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





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

2. CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)





(a) Disconnect the F14 connectors.

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

HINT
Measure the values on the wire harness side with the connector disconnected.





(b) If the result is not as specified, there may be a malfunction in the wire harness.

(c) Reconnect the F14 connectors.

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





(d) If the result is not as specified, the power back door ECU (power back door motor unit) may have a malfunction.

3. CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)





(a) Disconnect the F58 connector.

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

HINT
Measure the values on the wire harness side with the connector disconnected.





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

(c) Reconnect the F58 connector.

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





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