Power Back Door System
TERMINALS OF ECU1. CHECK POWER BACK DOOR ECU
Terminals Of Control Module/Pinouts:
a. Disconnect the P13 and P14 connectors from power back door ECU.
b. Measure the resistance of each terminal of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Measure the voltage of each terminals of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
d. Reconnect the P13 and P14 connectors to the back door ECU.
e. Measure the voltage of each terminal of the connectors.
HINT: Use an oscilloscope to check the output voltages of the power back door off switch, buzzer and pulse sensor. If the result is not as specified, the ECU may have a malfunction.
Terminals Of Control Module/Pinouts:
2. CHECK INSTRUMENT PANEL JUNCTION BLOCK ASSEMBLY (MULTIPLEX NETWORK BODY ECU)
a. Disconnect the 1A, 1D, 1F, 1M and B5 connectors from the instrument panel junction block assembly and multiplex network body ECU.
b. Measure the resistance between each terminal of the wire harness side connectors and the body ground.
If the result is not as specified, there may be a malfunction on the wire harness side.
c. Measure the voltage of each terminals of the wire harness side connectors.
If the result is not as specified, there may be a malfunction on the wire harness side.
d. Reconnect the 1A, 1D, 1F, 1M and B5 connectors to the instrument panel junction block assembly and multiplex network body ECU.
e. Measure the voltage of each terminals of the wire harness side connectors.
If the result is not as specified, the driver side junction block (multiplex network body ECU) may have a malfunction.