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use the Wiring Diagrams to help isolate and repair the Perform the BODY VERIFICATION TEST – VER 1. (Refer to BODY VERIFICATION TEST – VER 1). No >> Go To 6 6. (D54) CAN B BUS (-) CIRCUIT FOR A SHORT TO VOLTAGE Measure the voltage between the (D54) CAN B Bus (-) circuit and Is the voltage above 10.0 volts? Yes >> Disconnect each CAN B Bus module one at a time while observing the voltage to determine if the short is caused by Perform the BODY VERIFICATION TEST – VER 1. (Refer No >> Inspect the wiring and connectors for damage. If ok, replace and program the Front Control Module in accor- 7. (D55) CAN B BUS (+) CIRCUIT FOR A SHORT TO GROUND Turn the ignition off. Disconnect the Front Control Module C1 harness connector. Measure the resistance between ground and the (D55) CAN B Bus (+) Is the resistance above 1000.0 ohms? Yes >> Go To 8 No >> Disconnect each CAN B Bus module one at a time while observing the resistance to determine if the short is caused Perform the BODY VERIFICATION TEST – VER 1. (Refer 8E - 22 ELECTRONIC CONTROL MODULES - ELECTRICAL DIAGNOSTICS LX |