Test 48: Door Contact Switch

Connect Hand-Held Tester (HHT) to Data Link Connector (DLC) located in engine bay. Monitor Pneumatic System Equipment (PSE) control module. If greater than 10 volts is indicated, YES will be displayed on HHT. If less than 10 volts is indicated, NO will be displayed on HHT. If readings are not as specified, check wiring. See WIRING DIAGRAMS .