DTC B2719: UTD - Trunk Tamper Switch Fault: Testing
- Turn ignition switch to OFF position. Disconnect PZM connectors. Using DVOM, measure resistance between PZM Brown 24-pin connector C1, terminal A7 (Light Blue wire) and ground. If resistance is 5 ohms or less, go to next step. If resistance is greater than 5 ohms, replace PZM. See REMOVAL & INSTALLATION.
- Disconnect trunk tamper switch Black 3-pin connector. Using DVOM, measure resistance between trunk tamper switch connector terminal "A" (Light Blue wire) and ground. If resistance is greater than 5 ohms, replace trunk tamper switch. If resistance is 5 ohms or less, repair short to ground in Light Blue wire between trunk tamper switch and PZM.