Checking Components And Wiring

Check engine control module ECM) and the electronic throttle unit's connector for contact resistance and oxidation.

Remedy as necessary.

Other information 

• see CONNECTING THE BREAKOUT BOX
• see SIGNAL SPECIFICATION
• see THROTTLE BODY
• see CHECKING WIRING AND TERMINALS

Fig 2: Identifying 6-Bit Connector

Courtesy of VOLVO CARS CORPORATION

Fig 3: Identifying Electronic Throttle Unit

Courtesy of VOLVO CARS CORPORATION

Refer to VERIFICATION