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LT-42 HEADLAMP AIMING CONTROL (AUTO) Check Height Sensor Power Supply and Ground Circuit EKS009MJ 1. POWER SUPPLY CIRCUIT CHECK 1. Turn ignition switch OFF. 2. Disconnect height sensor connector. 3. Turn ignition switch ON 4. Check voltage between height sensor connector B152 terminal OK or NG OK >> GO TO 2. NG >> Check the following. ● 10A fuse [No. 10, located in fuse block (J/B)] ● 10A fuse [No. 15, located in fuse block (J/B)] (F9Q ● Harness for open or short between height sensor and 2. GROUND CIRCUIT CHECK 1. Turn ignition switch OFF. 2. Check continuity between height sensor harness connector OK or NG OK >> Height sensor power supply and ground circuit are OK. NG >> Repair or replace harness. Check Lighting Switch Circuit EKS009MK 1. LIGHTING SWITCH INPUT SIGNAL CHECK 1. Turn ignition switch OFF. 2. Disconnect height sensor connector. 3. Turn ignition switch ON. 4. Check voltage between height sensor harness connector B152 OK or NG OK >> Replace height sensor. NG >> GO TO 2. Actuator shorted to ground Calculated output value differs from measured Refer to LT-44, "Check Headlamp Aiming Motor" . Actuator shorted to battery Calculated output value differs from measured Refer to LT-44, "Check Headlamp Aiming Motor" . Detected items (Screen terms) System Condition Reference item 2 (Y/G) - Ground : Battery voltage MKIB0569E 1 (B) - Ground : Continuity should exist. MKIB0570E Connector Terminals (wire color) Lighting switch condition Voltage (V) (Approx.) (+) ( − ) B152 6 (R/Y) Ground 2ND position Battery voltage Other than above 0 MKIB0571E |