Honda NSX-T 1998 Manual page 597

Main Menu
Idle Control System
Automatic Transaxle (A/T) Gear Position Signal
This signals the ECM when the transmission is in
Inspection of A/T Gear Position
Signal.
Check the operation of the A/T
gear position switch:
1. Turn the ignition switch ON (II).
2. Observe the A/T shift position
indicator and select each posi-
tion separately.
Does the indicator light prop-
erly?
Check for a short in the wire
(ATF PN line):
1. Turn the ignition switch OFF.
2. Disconnect the SOP (C412)
connector from the gauge
assembly.
3. Disconnect the 26P connector
from the TCM.
4. Turn the ignition switch ON (II).
5. Measure voltage between
ECM connector terminals B4
and A26.
Is there approx. 5V?
(To page 11-123)
Table of Contents
or position.
See the A/T gear position indica-
tor inspection (see section
Check for a short in the wire
(ATF ON line):
1. Turn the ignition switch OFF.
2. Disconnect the ECM connector
B (16P) from the ECM.
3. Check for continuity between
ECM connector terminal B4
and body ground.
Is there continuity?
Substitute a known-good ECM
and recheck (see page
immobilizer information). If pre-
scribed voltage is now available,
replace the original ECM.
14).
Repair short in the wire between
the ECM (B4) and the gauge
assembly.
11-39 for