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4D2–8 TRANSFER CASE (TOD) Unit Repair Inspection Before disassembling and after assembling, check the No. NAME CONTENTS 1 Ref . (Rr . ) Rear speed sensor 2 Ref . (Frt . ) Front speed sensor 3 SW GND SW GND 4 4H SW (+) 4H SW plus terminal 5 Rer . (+) Rear speed sensor plus 6 Frt . (+) Front speed sensor plus 7 POWER GND Power GND 8 EMC (+) Electromagnetic coil 9 COM (–) (Rr .) Rear speed sensor GND 10 COM (–) (Frt .) Front speed sensor GND 11 NC Not used 12 4L SW (+) 4L SW plus terminal 810RW002 4H and 4L switch Check whether the 4H switch (terminals 4 and 7) and 4L SHIFT POSITION PIN 4 (4 to 7) 4H SW PIN 12 (3 to 12) 4L SW HIGH OFF OFF (NEUTRAL) ON ON 4L OFF ON Power GND Check that there is a continuity between the power GND Resistance of electromagnetic coil Check the resistance between electromagnetic coil Standard : 1.4 ∼ 2.0 W Allowable : 1.0 ∼ 5.0 W |