Honda Acura NSX 1991 Service Manual page 1198

Side Marker/Turn Signal/Hazard Flash System
-Turn Signal/Hazard Relay Input Test
Remove the dashboard lower panel.
Remove the turn signal/hazard relay from the left kick
panel then disconnect the 6-P connector.
Make the following input tests at the 6-P connector ter-
minals.
If all tests prove OK, but the relay fails to work, replace
the turn signal/hazard relay.
No. Terminal Test
Under all conditions.
1 E
Under all conditions.
2 B
Ignition switch ON and
SR
turn signal switch in R.
3
Ignition switch ON and
turn signal switch in L.
Hazard switch ON.
SR
4
Connect the B terminal
to the LR terminal.
5 LR
Connect the B terminal
to the LL terminal.
6 LL
23-212
condition Test:
Check for continuity to
ground: should be continuity.
Check for voltage to ground:
should be battery voltage.
Check for voltage to ground:
should be battery voltage.
Check for voltage to ground:
should be battery voltage.
R. turn signal lights should
come on as the battery is con-
L. turn signal lights should
come on as the battery is con-
TURN
SIGNAL/
RELAY
desired result Possible cause (if result is not obtained)
Poor ground (G401, G402)
l
An open in the BLK wire
l
Blown No. 46 (IOAI fuse.
l
An open in the REDiWHT wire.
l
Blown No. 5 (IOA) fuse.
l
Faulty turn signal switch or can-
l
An open in the YEL, BLU/GRN, or
l
Faulty hazard switch.
l
An open in the REDIWHT,
l
Blown bulb.
l
* Faulty side marker relay circuit.
Poor ground (G301, G401, G402,
l
An open in the GRNIYEL or
l
Blown bulb.
l
. Faulty side marker relay circuit.
Poor ground (G301, G401, G402,
l
An open in the GRN/BLU or
l
PNK/BLU wire.
View from
terminal side