Toyota Supra 1990 Manual page 350

IG-16 IGNITION SYSTEM - On-Vehicle Inspection (7M-GTE)
NE Pickup Gl Pickup G2 Pickup
7®
@ '6~
F5458
1$·4·2·A
INSPECTION OF CAM POSITION SENSOR
1.
INSPECT AIR GAPS
Using a feeler gauge, measure the gap between the signal
rotor and pickup coil projection.
Air gap:
0.2 - 0.4 mm (0.008 - 0.016 in.)
If the gap is not within specification, replace the cam po-
sition sensor.
2.
INSPECT PICKUP COILS
Using an ohmmeter, check resistance of the pickup coil.
G1 pickup coil resistance:
G 1 - G 8 140 - 180
[2
G2 pickup coil resistance:
G2 - G8 140 - 180
[2
NE pickup coil resistance:
NE - G8 140 - 180
[2
If the resistance is not within specification, replace the cam
position sensor.