Test Point 19 - Idle CO potentiometer

TEST POINT 19 - Idle CO potentiometer - Fault code 1 _36

Possible Causes, Elimination, Remarks
On vehicles without catalytic converter that show fault code 36, start by testing the control unit coding (Actual values menu item with System Tester 9288). If the coding is O.K., check power supply for CO potentiometer and potentiometer signal in accordance with the wiring diagram.