TM 1-2840-252-23-3
G-16 FAULT CODE F2, NIB SENSOR EXPANDED INSTRUCTIONS
Refer to numbered steps in figure 102.
Step 3.
Check harness connector PL3 (figure 201) at DECU, and P6 at HMA for tight connections.
Step 4.
Disconnect connectors PL3 and P6 to check pins and sockets.
Step 7.
With PL3 disconnected, check resistance of N1 B sensor at harness PL3 connector sockets
A and c (figure 202). Limit is 0.3-3.55.
Step 8
With P6 disconnected, check resistance of HMA (N1B sensor) at HMA J6 connector pins E and
F. Limit is 0.3-3.0Q.
Step 9.
Before tightening harness connectors PL3 and P6, be sure that keyways in harness connec-
tors are aligned with keyways in component connectors.
Step 13. Refer to manufacturer's procedure for checking drive pad and spline.
Step 17. Refer to manufacturer's procedure for diagnosing and replacing harness.
Step 21. Refer to manufacturer's procedure for replacing drive pad or spline.
Step 23. Refer to manufacturer's procedure for diagnosing and replacing harness.
RESISTANCE-CHECK SUMMARY
Resistance (Ω)
Connector
Component
No.
Contacts
Limits
Nominal
HMA - NIB Sensor
PL3
A&c
0.3 - 3.5
0.7
*At 25
C
J6
E& F
0.3 - 3.0
0.7
G-17
