Honda NSA700A DN-1 2009, Service Manual

Page: 154 / 654

FUEL SYSTEM (PGM-FI)
D TC 19-1 (CKP S E N S O R )
• Before starting the inspection, check fo r loose or
p o o r contact on the CKP sensor connector and
recheck the DTC.
1. CKP Sensor Peak Voltage Inspection
Turn the ig n itio n sw itch OFF.
Disconnect the CKP sensor 2P (Red) connector.
T urn the ig n itio n sw itch ON and engine stop
sw itch " O ” •
Crank the engine w ith the sta rte r m otor, and
m easure the CKP sensor peak voltage at the CKP
sensor 2P (Red) connector.
Connection: Yellow (+) - W hite/yellow (-)
TOOLS:
Imrie diagnosis tester (model 625) or
Peak voltage adaptor 07HGJ-0020100
w ith commercially available digital multimeter
(impedance 10 MS2/DCV minimum)
Is the voltage m ore than 0.7 V (20 C /68 °F)7
YES - GO TO STEP 2.
NO - Faulty CKP sensor
2. CKP Sensor Circuit Inspection
T urn the ig n itio n sw itch OFF.
Disconnect the ECM 33P connectors.
Check fo r c o n tin u ity at the Y ellow and W h ite /ye l­
lo w w ire between the CKP sensor 2P (Red) con­
nector te rm in a ls and
the ECM connector
term inals.
Connection: B22 - Yellow
A32 - W hite/yellow
TOOL:
Test probe
07ZAJ-RDJA110
Is there c o n tin u ity ?
YES - S hort c ircu it in the Y ellow w ire
NO - • Open c ircu it in the Y e llo w w ire
• Open c ircu it in the W h ite /y e llo w w ire
CKPSFNSORPP
(RED)
CONNECTOR
(W ire side o f
fem ale term inal)
ECM 33P (BLACK)
CONNECTOR (W ire side
o f fem ale te rm in a l)
r W /Y
I 1—1 1
1
J
fcUM 33P (LICiH I CiKAY) CONNECTOR
(W ire side o f fem ale te rm in a l)