Acura NSX 1997 Service Manual page 974

Main Menu
Integrated Control Unit
Input Test (cont'd)
Lights-on Reminder System:
Terminal Test condition
Under all conditions
A8
Under all conditions
A9
Ignition switch ON (II)
A5
Driver's door open
2
GRN/BLU
Headlight switch ON
A6
Connect the A9 terminal
to the ORN terminal
ORN
Seat Belt Reminder System:
Terminal Test condition
Under all conditions
A8
Under all conditions
A9
Ignition switch ON (II)
A5
Ignition switch ON (II)
and driver's seat belt
A13
not buckled
Table of Contents
Test: Desired result
Check for continuity to ground:
There should be continuity.
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be 1 V or less.
Check for voltage to ground:
There should be battery voltage.
Check chime operation:
Chime should activate each time the
battery is connected.
Test: Desired result
Check for continuity to ground:
There should be continuity.
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be battery voltage.
Check for voltage to ground:
There should be 1 V or less.
Possible cause if result is not obtained
• Poor ground (G401, G402, G403)
• An open in the wire
• Blown No. 34 (15 A) fuse
• An open in the wire
• Blown No. 5(15 A) fuse
• An open in the wire
• Faulty driver's door switch
• Poor ground (G401, G402, G403)
• An open in the wire
• Blown No. 38(15 A) fuse
• Faulty headlight switch
• Faulty taillight relay
• An open in the wire
• Faulty chime
• Poor ground (G401, G402, G403)
• An open in the wire
Possible cause if result is not obtained
• Poor ground (G401, G402, G403)
• An open in the wire
• Blown No. 34 (15 A) fuse
• An open in the wire
• Blown No. 5 (15 A) fuse
• An open in the wire
• Faulty seat belt switch
• Poor ground (G401, G402, G403)
• An open in the wire