Acura Integra 1998 Service Manual page 1030

Troubleshooting
Engine Coolant Temperature
(ECT}
Switch
B o t h f a n s ( r a d i a t o r a n d c o n -
denserl do not run for engine
cooling, but they both run with
the A,/c on.
D i s c o n n e c t t h e e n g i n e c o o l a n t
temperature lECT) switch 2P con
T u r n t h e i g n i r i o n s w i t c h O N ( l l ) .
Measure the voltage between the
GRN wire terminal (+) and body
ground (-)-
Repair open in the GRN wire b€-
tween the ECT switch and the
under-hood luse/rel6v box,
l s t h e r e b a t t e r y v o l t a g e T
T u r n t h e i g n i t i o n s w i t c h O F F a n d
c h e c k f o r c o n t i n u i t y i n t h e B L K
w i r e b e t w e e n t h e E C T s w i t c h a n d
b o d y g r o u n d .
C h e c k f o r e n o o e n i n t h e B L K
wire between the ECT switch
and body ground. ll th. wire is
O K , c h e c k l o r p o o r g r o u n d a t
G 1 0 1 .
l s t h e r e c o n t i n u i t y ?
Check the temperature gauge.
Does it read above normal?
View from wire side
GRN (+)