|
|
ATC-92 < SERVICE INFORMATION > TROUBLE DIAGNOSIS SYMPTOM: Sunload sensor circuit is open or shorted. (25 or − 25 is indicated on unified meter and A/C amp. as a result of performing 1. CHECK VOLTAGE BETWEEN SUNLOAD SENSOR AND GROUND 1. Disconnect sunload sensor connector. 2. Turn ignition switch ON. 3. Check voltage between sunload sensor harness connector M87 OK or NG OK >> GO TO 2. NG >> GO TO 4. 2. CHECK CIRCUIT CONTINUITY BETWEEN SUNLOAD SENSOR AND UNIFIED METER AND A/C AMP. 1. Turn ignition switch OFF. 2. Disconnect unified meter and A/C amp. connector. 3. Check continuity between sunload sensor harness connector OK or NG OK >> GO TO 3. NG >> Repair harness or connector. 3. CHECK SUNLOAD SENSOR 1. Reconnect sunload sensor connector and unified meter and A/C amp. connector. 2. Refer to "Sunload Sensor". OK or NG OK >> 1. Replace unified meter and A/C amp. 2. ATC-43, "Self-Diagnosis Function" and perform self-diagnosis STEP-2. Confirm that code No. 20 is displayed. NG >> 1. Replace sunload sensor. 2. ATC-43, "Self-Diagnosis Function" and perform self-diagnosis STEP-2. Confirm that code No. 20 is displayed. 4. CHECK CIRCUIT CONTINUITY BETWEEN SUNLOAD SENSOR AND UNIFIED METER AND A/C AMP. 1. Turn ignition switch OFF. 2. Disconnect unified meter and A/C amp. connector. RJIA1455E 1 – Ground : Approx. 5 V RJIA2027E 2 – 49 : Continuity should exist. RJIA2028E |