fuel pressure NISSAN LATIO 2011 Service Repair Manual

STARTING SYSTEMSC-17
< SERVICE INFORMATION >
C
DE
F
G H
I
J
L
M A
B
SC
N
O P
DIAGNOSTIC PROCEDURE 1
Check Starter Motor Circuit
1.CHECK POWER SUPPLY TO STARTER MOTOR
1. Remove the fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is released.
3. Turn the ignition switch OFF.
4. Check that the starter motor connector F27 connection is clean and tight.
AWBIA0771GB
Revision: May 2010 2011 Versa

SC-18
< SERVICE INFORMATION >
STARTING SYSTEM
5. Check voltage between starter motor connector F27 terminal Band ground using a digital circuit tester.
OK or NG
OK >> GO TO 2.
NG >> Check harness between the battery and the starter motor for open circuit.
2.CHECK VOLTAGE DROP ON STARTER MOTOR CIRCUIT
1. Check voltage between starter motor connector F27 terminal B and battery positive terminal using a digital circuit tester.
OK or NG
OK >> GO TO 3.
NG >> Check harness between the battery and the starter motor for poor continuity.
3.CHECK VOLTAGE DROP ON STARTER MOTOR GROUND CIRCUIT
1. Check voltage between starter motor case and battery negative terminal using a digital circuit tester.
OK or NG
OK >> Starter motor ground circuit is OK. Further inspection is necessary. Refer to "WORK FLOW".
NG >> Check harness between the starter motor case and
ground for poor continuity.
DIAGNOSTIC PROCEDURE 2
Check Magnetic Switch Circuit
1.CHECK POWER SUPPLY TO MAGNETIC SWITCH
1. Remove the fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is released.
3. Turn the ignition switch OFF.
4. Disconnect starter motor connector F28.
5. Check voltage between starter motor connector F28 terminal S and ground using a digital circuit tester.
OK or NG
OK >> GO TO 2.
NG >> Check the following: • 40A fusible link (letter h, located in fuse and fusible
link box)
Battery voltage should exist
WKIA0137E
Ignition switch in
START
: Less than 0.2V
WKIA0138E
Ignition switch in
START : Less than 0.2V
AWBIA0750GB
Ignition switch in
START: Battery voltage
AWBIA0751GB
Revision: May 2010
2011 Versa