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CONTROL SYSTEM NLLC0026S02 Cooling fans are controlled by the ECM. For details, refer to (with EURO-OBD), (without EURO-OBD), TROUBLE DIAGNOSIS FOR OVERHEAT (COOLING SYSTEM). Changing Engine Coolant NLLC0037 WARNING: To avoid the danger of being scalded, never change the cool- — DRAINING ENGINE COOLANT — NLLC0037S01 1. Set air conditioning system as follows to prevent coolant from a. Turn ignition switch ON and set temperature controller to maxi- b. Wait 10 seconds before turning ignition switch OFF. SMA033D 2. Remove lower radiator hose, and remove radiator filler cap to 3. Remove reservoir tank, drain coolant, then clean reservoir I Be careful not to allow coolant to contact drive belts. 4. Cover the exhaust tube heat shield to prevent from splashing SLC277B SLC278B 5. Remove drain plug on cylinder block and air relief plug. 6. Check drained coolant for contaminants such as rust, corro- 7. Blow the coolant around the exhaust tube heat shield. ENGINE COOLING SYSTEM QG Cooling Fan (Cont’d) LC-18 |