Variable voltage control system (if so equipped)
CAUTION
• Do not ground accessories directly to the battery terminal. Doing so will bypass the variable voltage control system and the vehicle battery may not charge completely.
• Use electrical accessories with the engine running to avoid discharging the vehicle battery.
NOTE: If the battery is completely drained the transmission will not manually shift to other positions.
Your vehicle is equipped with a variable voltage control system. This system mea- sures the amount of electrical discharge from the battery and controls voltage gen- erated by the generator. The current sensor OA is located near the battery along the negative battery cable. If you add electrical accessories to your ve- hicle, be sure to ground them to a suitable body ground such as the frame or engine block area.
1. Crankshaft pulley 2. Drive belt automatic tensioner pulley 3. Generator pulley 4. Air conditioner compressor pulley
WARNING Be sure the ignition switch is placed in the OFF or LOCK position before servic- ing drive belt. The engine could rotate unexpectedly.
DRIVE BELT
3.5L 6 Cylinder (VQ35DD engine model)
1. Visually inspect the belt for signs of un- usual wear, cuts, fraying or looseness. If the belt is in poor condition or is loose, have it replaced or adjusted. It is recom- mended that you visit a NISSAN dealer for this service.
2. Have the belt checked regularly for con- dition and tension in accordance with the maintenance schedule found in the "Maintenance and schedules" section of this manual.
SPARK PLUGS
REPLACING SPARK PLUGS Iridium-tipped spark plugs It is not necessary to replace iridium- tipped OA spark plugs as frequently as con- ventional type spark plugs because they last much longer. Follow the maintenance log shown in the "Maintenance and sched- ules" section of this manual. Do not service iridium-tipped spark plugs by cleaning or regapping. • Always replace spark plugs with recommended or equivalent ones.
WARNING Be sure the engine and ignition switch are off and that the parking brake is engaged securely.
CAUTION Be sure to use the correct socket to re- move the spark plugs. An incorrect socket can damage the spark plugs.
If replacement is required, it is recom- mended that you visit a NISSAN dealer for this service.SDI1895
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