Honda Acura NSX 1991, Service Manual

Page: 1198 / 1420

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. TURN
SIGNAL/
RELAY
View from
terminal side
No. Terminal Test condition Test: desired result Possible cause (if result is not obtained)
1 E
Under all conditions. Check for continuity to
l
Poor ground
ground: should be continuity.
l
An open in the BLK wire
2 B
Under all conditions. Check for voltage to ground:
l
Blown No. 46 fuse.
should be battery voltage.
l
An open in the wire.
SR
Ignition switch ON and Check for voltage to ground:
l
Blown No. 5 fuse.
turn signal switch in R. should be battery voltage.
l
Faulty turn signal switch or
3
Ignition switch ON and
unit.
turn signal switch in L.
l
An open in the YEL, or
wire.
SR
Hazard switch ON. Check for voltage to ground:
l
Faulty hazard switch.
4
should be battery voltage.
l
An open in the
or wire.
Connect the B terminal R. turn signal lights should
l
Blown bulb.
to the LR terminal. come on as the battery is con- * Faulty side marker relay circuit.
5 LR
l
Poor ground G401, G402,
l
An open in the or
wire.
Connect the B terminal L. turn signal lights should
l
Blown bulb.
to the LL terminal. come on as the battery is con- . Faulty side marker relay circuit.
6 L L
l
Poor ground G401, G402,
l
An open in the or
PNK/BLU wire.
23-212