Honda NSX-T 1998 Manual page 1469

Main Menu
Immobilizer System
Control Unit Input Test
1. Remove the dashboard lower cover and dashboard
lower pad (see page 23-73).
2. Remove the dashboard brace (see page 23-73).
3 Disconnect the 8P connector "A" from the immobi-
lizer control unit.
4. Inspect the connector and socket terminals to be
sure they are all making good contact.
If the terminals are bent, loose, or corroded, repair
them as necessary, and recheck the system.
If the terminals look OK, make the following
input tests at the connector.
— If any test indicates a problem, find and cor-
rect the cause, then recheck the system.
— If all the input tests prove OK, check the immo-
bilizer receiver and transponder.
Wire Test condition
Under all conditions
YEL/BLU
M/T: With clutch pedal
depressed
GRY
A/T: Shift lever in
Ignition switch at
BLK/GRN
START (III)
Ignition switch ON (II)
BLK/YEL
Under all conditions
PNK
Under all conditions
BRN
Ignition switch OFF
GRN/RED
Under all conditions
BLK
*: Use the backprobing method explained in
23-334
Table of Contents
Check for voltage to ground:
There should be battery voltage.
Check for continuity to ground:
There should be continuity.
or
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be battery voltage.
Attach to ground:
The immobilizer indicator light
should come on.
*Check for continuity between the
No. 6 terminal and ECM 26P (C484)
connector No. 3 terminal.
There should be continuity.
Check for continuity to ground:
There should be continuity with the
parking brake lever up and no
continuity with the lever down.
Check for continuity to ground:
There should be continuity.
section
IMMOBILIZER CONTROL UNIT
8P CONNECTOR
"A"
Test: Desired results
11.
Possible cause if result is not obtained
• Blown No. 18 (20 A) fuse
• An open in the wire
• Faulty clutch interlock switch
• An open in the wire
• Faulty A/T gear position switch
• An open in the wire
• Faulty starter cut relay
• An open in the wire
• Blown No. 2 (15 A) fuse
• An open in the wire
• Blown No. 33 (7.5 A) fuse
• Blown bulb
• Faulty gauge circuit
• An open in the wire
• An open in the wire
• Faulty parking brake switch
• An open or short in the wire
• Faulty brake fluid level switch
• Poor ground (G401, G402, G403)
• An open in the wire
View from
wire side