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*LEFT HIGH BEAM HEADLAMP INOPERATIVE (CONTINUED) 3. MEASURE LEFT HIGH BEAM HEADLAMP VOLTAGE Connect the Illumination Control Module harness connector. Turn the ignition on. Turn the high beam headlamps on. Measure the voltage between the Left Front Lamp Assembly harness 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 LEFT HIGH BEAM HEADLAMP GROUND CIRCUIT RESISTANCE Turn the ignition off. Turn the high beam headlamps off. Measure the resistance between the Left Front Lamp Assembly har- Is the resistance below 5.0 ohms? Yes >> Ensure that the Left High Beam Headlamp bulb is installed properly and replace the bulb socket if necessary. Perform BODY VERIFICATION TEST. No >> Repair the Left Front Lamp Assembly ground circuit for an open. Perform BODY VERIFICATION TEST. ZH LAMPS/LIGHTING - EXTERIOR - ELECTRICAL DIAGNOSTICS 8L - 25 |