engine coolant INFINITI QX56 2007 Factory Service Manual

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< SERVICE INFORMATION >
STARTING SYSTEM
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.
*1SC-6, "Trouble Diagnosis with Bat-
tery/Starting/Charging System
Te s t e r"
*2 "MINIMUM SPECIFICATION OF
CRANKING VOLTAGE REFERENC-
ING COOLANT TEMPERATURE"*3 "DIAGNOSTIC PROCEDURE 1"
*4 "DIAGNOSTIC PROCEDURE 2"
WKIA4532E

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< SERVICE INFORMATION >
STARTING SYSTEM
• Starter relay [within the intelligent power distribution module engine room (IPDM E/R)]
• Harness for open or short
2.CHECK VOLTAGE DROP ON MAGNETIC SWITCH CIRCUIT
1. Turn the ignition switch OFF.
2. Connect starter motor connector F28.
3. Check voltage between starter motor connector F28 terminal 1
and battery positive terminal using a digital circuit tester.
OK or NG
OK >> Magnetic switch circuit is OK. Further inspection is nec-
essary. Refer to "WORK FLOW" .
NG >> Check harness between the battery and the magnetic
switch for poor continuity.
MINIMUM SPECIFICATION OF CRANKING VOLTAGE REFERENCING COOLANT TEMPERA-
TURE
Removal and InstallationINFOID:0000000003533322
REMOVAL
1. Remove the intake manifold. Refer to EM-17, "Removal and Installation".
2. Remove/disconnect the starter harness connectors.
3. Remove the two starter bolts, using power tools.
4. Remove the starter.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Tighten terminal nut carefully.Ignition switch in
START.: Less than 1V
WKIA1792E
Engine coolant temperature Voltage V
−30°C to −20°C (−22°F to −4°F) 8.4
−19°C to −10°C (−2°F to 14°F) 8.9
−9°C to 0°C (16°F to 32°F) 9.3
More than 1°C (More than 34°F) 9.7
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Terminal nut : 10.8 N·m (1.1 kg-m, 8 ft-lb)