2AZ-FE CHARGING – CHARGING SYSTEM CH–1 CHARGING SYSTEM PRECAUTION 1. Check that the battery cables are connected to the correct terminals. 2. Disconnect the battery cables when the battery is given a quick charge. 3. Do not perform tests with a high voltage insulation resistance tester. 4. Never disconnect the battery while the engine is running. 5. Check that the charging cable nut is tightened on terminal B of the generator and the engine room R/B. REPAIR TOYOTA CH CH–2 2AZ-FE CHARGING – CHARGING SYSTEM PARTS LOCATION COMBINATION METER -CHARGE WARNING LIGHT GENERATOR REPAIR ECM INSTRUMENT PANEL J/B ENGINE ROOM R/B -GAUGE NO. 1 FUSE -ALT FUSE -GAUGE NO. 2 FUSE -ALT-S FUSE TOYOTA A135520E01 CH 2AZ-FE CHARGING – CHARGING SYSTEM CH–3 SYSTEM DIAGRAM ECM ALT-S From Battery GAUGE No. 1 From IG1 Relay Combination Meter GAUGE No. 2 From 13 CHG- 23 Ignition Switch F1 IG+ IG+ F1 Charge Generator ALT 1 4 B L C19 C18 REPAIR 2 IG C18 IC Regulator 1 S C18 FL MAIN 3 50 M C18 C24 ALT TOYOTA Battery A135064E01 CH CH–4 2AZ-FE CHARGING – CHARGING SYSTEM PROBLEM SYMPTOMS TABLE Result Symptom Suspected area See page 1. Clutch pulley Charge Warning es ON while Driving CH-7 2. Generator assembly 1. V-ribbed belt Noise Occurs from Generator while Engine is Running 2. Clutch pulley CH-8 3. Generator assembly REPAIR TOYOTA CH 2AZ-FE CHARGING – CHARGING SYSTEM CH–5 ON-VEHICLE INSPECTION 1. CHECK BATTERY ELECTROLYTE LEVEL (a) Check the electrolyte level. (1) If the electrolyte level is low, replace the battery (or add distilled water) and check the charging system. 2. CHECK BATTERY SPECIFIC GRAVITY (a) Check the color of the indicator. Green Dark Clear or Light Yellow Result Indicator color Condition Green Good Dark Charging necessary Clear or light yellow Replacement necessary 3. CHECK BATTERY VOLTAGE A115815E0
