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Pinout Values and Diagnostic Parameters

TERMINALS OF ECU

Terminals Of ECU:




1. CHECK POWER WINDOW REGULATOR MASTER SWITCH (DRIVER DOOR ECU)

a. Disconnect the P22 switch connector.

Pinouts:




b. Check the voltage and resistance of each terminal 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 P22 switch connector and reset the power window motor (Refer to the pre-check, step 16).

Pinouts:




d. Check the voltage of each terminal of the connector.

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

Terminals Of ECU:




2. CHECK POWER WINDOW REGULATOR SWITCH (PASSENGER DOOR ECU)

a. Disconnect the P19 switch connector.

Pinouts:




b. Check the voltage and resistance of each terminal 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 P19 switch connector and reset the power window motor (Refer to the pre-check, step 16).

Pinouts:




d. Check the voltage of each terminal of the connector.

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

Terminals Of ECU:




3. CHECK POWER WINDOW REGULATOR SWITCH (REAR LH DOOR ECU)

a. Disconnect the P20 switch connector.

Pinouts:




b. Check the voltage and resistance of each terminal of the wire harness side connector.

c. Reconnect the P20 switch connector and reset the power window motor (Refer to the pre-check, step 16).

Pinouts:




d. Check the voltage of each terminal of the connector.

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

Terminals Of ECU:




4. CHECK POWER WINDOW REGULATOR SWITCH (REAR RH DOOR ECU)

a. Disconnect the P21 switch connector.

Pinouts:




b. Check the voltage and resistance of each terminal of the wire harness side connector.

c. Reconnect the P21 switch connector and reset the power window motor (Refer to the pre-check, step 16).

Pinouts Part 1:




Pinouts Part 2:




d. Check the voltage of each terminal of the connector.

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

Terminals Of ECU:




5. CHECK INSTRUMENT PANEL J/B ASSEMBLY (MULTIPLEX NETWORK BODY ECU)

a. Disconnect the B4, B5 and B6 ECU connectors.
b. Disconnect the 1A, 1D, 1F and 1M J/B connectors.




c. Check the voltage and resistance between each terminal of the wire harness side connectors and body ground.

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

d. Reconnect the B4, B5 and B6 ECU connectors.
e. Reconnect the 1A, 1D, 1F and 1M J/B connectors.




f. Check the voltage between each terminal of the connector and the body ground.

If the result is not as specified, the J/B assembly (body ECU) may have a malfunction.