Operation CHARM: Car repair manuals for everyone.
Home >> Lexus >> 2004 >> SC 430 V8-4.3L (3UZ-FE) >> Repair and Diagnosis >> Windows and Glass >> Windows >> Testing and Inspection >> Pinout Values and Diagnostic Parameters
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Pinout Values and Diagnostic Parameters

TERMINALS OF ECU

1. INSPECT DRIVER DOOR ECU

Terminals Of ECU/Pinouts - Inspect Driver Door ECU:




a. Disconnect the ECU connectors D17, D18 and D19.
b. Check the voltage and continuity of each terminal of the vehicle's side connector.

HINT: If the value is not as specified, there may be a malfunction at the vehicle's side.




c. Connect the connector, and inspect the voltage between each terminal of the connector.

HINT: If the value is not as specified, the driver door ECU or communication line may be defective.

2. INSPECT PASSENGER DOOR ECU

Terminals Of ECU/Pinouts - Inspect Passenger Door ECU:




a. Disconnect the door ECU connectors P9, P10 and P11.
b. Inspect the voltage and continuity of each terminal of the vehicle's side connector.

HINT: If the value is not as specified, there may be a malfunction at the vehicle's side.




c. Connect the connector, and inspect the voltage between each terminal of the connector.

HINT: If the value is not as specified, the passenger door ECU or communication line may be defective.







pro multis · About Operation CHARM