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*LICENSE LAMP NO.1 INOPERATIVE (CONTINUED) 3. MEASURE LICENSE LAMP VOLTAGE Connect the Illumination Control Module harness connector. Turn the ignition on. Turn the license lamps on. Measure the voltage between the License Lamp No.1 harness connec- Is the voltage above 10 volts? Yes >> Go to 4 No >> Replace the Illumination Control Module. (Refer to 8 - ELECTRICAL/LAMPS/LIGHTING - EXTERIOR/HEAD- LAMP SWITCH - REMOVAL). Perform BODY VERIFICATION TEST. 4. MEASURE LICENSE LAMP GROUND CIRCUIT RESISTANCE Turn the ignition off. Turn the license lamps off. Measure the resistance between the License Lamp No. 1 harness Is the resistance below 5.0 ohms? Yes >> Ensure that the License Lamp bulb is installed properly and replace the bulb socket if necessary. Perform BODY VERIFICATION TEST. No >> Repair the License Lamp No.1 ground circuit for an open. Perform BODY VERIFICATION TEST. ZH LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS 8L - 73 |