Honda NSA700A DN-1 2009, Service Manual

Page: 633 / 654

LIGHTS/METERS/SWITCHES
1. O il P ressure/level W arning In d ic a to r In p u t Line
O p e n C ir c u it In s p e c tio n
Turn the ig n itio n sw itch OFF.
Remove the b olt, w asher and disconnect the
EOP sw itch w ire.
Turn the ig n itio n switch ON and engine stop
sw itch " Q ".
Check the c o n tin u ity between the EOP sw itch
w ire and ground.
CONNECTION: Blue/Red - G round
Is there b a tte ry voltage?
YES - Inspect the EOP sw itch (page 5-14).
NO - Open c ircu it in Blue/Red w ire.
EOP SWITCH WIRE
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BAND SCREWS
ECT SENSOR
ECT SENSOR INSPECTION
Remove the ECT sensor (page 6-65).
Suspend the ECT sensor in a pan o f co o la n t (1:1
m ixtu re ) on an electric heating elem ent and m ea­
sure the resistance th ro u g h the sensor as the c o o l­
ant heats up.
NOTE:
• Soak the ECT sensor in co o la n t up to its threads
w ith at least
4 0 m m (1.57
in) fro m the b o tto m of
the pan to the b o tto m of the sw itch.
• Keep te m perature constant fo r 3 m in u te s before
testing. A sudden change o f te m p e ra tu re w ill
result in in co rre ct readings. Do n ot let the th e r­
m o m e te r o r ECT sensor touch the pan.
Replace the ECT sensor if it is o u t o f specification by
m ore than 10% at any tem perature listed.
CONNECTION: G reen/blue - Body ground
Tem perature nC ( °F) I 50 (122)
80 (176)
Resistance (k£2) 6.8 - 7.4 2.1 - 2.7
In s ta ll th e E C T s e n s o r (p a g s 6-65).