TM 1-2840-252-23-3
G-47
FAULT CODE B2, N1B SENSOR EXPANDED INSTRUCTIONS
Refer to numbered steps in figure 133.
Step 4.
Check harness connector PL3 (figure 201) at DECU, and P at HMA.. for tight connections.
6
Step 5.
Disconnect connectors PL3 and P6 to check pins and sockets.
Step 8.
With PL3 disconnected, check resistance of HMA (N1B sensor) at harness PL3 connector sockets
A and c (figure 202). Limit is 0.3 - 3.5Ω
Step 9.
With P6 disconnected, check resistance of HMA (N1 B sensor) at HMA J6 connector pins E and F.
Limit is 0.3 - 3.0Ω..
Step 10.
Before tightening harness connectors PL3 and P6, be sure that keyways in harness connectors 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 20.
Refer to manufacturer's procedure for replacing drive pad or spline.
Step 22.
Refer to manufacturer's procedure for diagnosing and replacing harness.
RESISTANCE-CHECK SUMMARY
G-104
