13. FUEL INJECTION SYSTEM People GT 300i MAP Apply oil onto a new O-ring. When install the MAP onto the throttle body, being careful not to damage the O-ring. Always replace an O-ring with a new one. Install the set plate and tighten the screw securely. O-ring Screw/Set Plate MAP Apply oil onto a new O-ring. When install the ISC and set plate onto the throttle body, being careful not to damage the O-ring. Screw ISC/Set Plate DIAGNOSTIC TOOL CONNECTOR INSPECTION Put the side stand up and engine stop switch is at "RUN". Turn the ignition switch to "ON" Measure the voltage between the following terminals of the diagnostic tool connector with PDA tester. Terminal Normal Black (+) Green (-) Battery voltage Diagnostic Connector Battery voltage White/Yellow (+) Green (-) 1 V 13-26