No crank no start INFINITI FX35 2004 Manual Online

SC-14
STARTING SYSTEM
Revision: 2004 November 2004 FX35/FX45
WORK FLOW
*1SC-6, "Trouble Diagnosis with Bat-
tery/Starting/Charging System
Te s t e r".*2SC-16, "
MINIMUM SPECIFICATION
OF CRANKING VOLTAGE REFER-
ENCING COOLANT TEMPERA-
TURE".*3SC-15, "
DIAGNOSTIC PROCE-
DURE 1".
*4SC-16, "
DIAGNOSTIC PROCE-
DURE 2".
SKIB0227E

STARTING SYSTEM
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Revision: 2004 November 2004 FX35/FX45
DIAGNOSTIC PROCEDURE 1
Check “B” Terminal Circuit
1. CHECK POWER SUPPLY FOR STARTER MOTOR “B” TERMINAL
1. Remove fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is released.
3. Turn ignition switch OFF.
4. Make sure that the starter motor B terminal E313 terminal 2 (B)
*1 or (B/R)*2 connection is clean and tight.
5. Check voltage between starter motor B terminal E313 terminal 2
(B)
*1 or (B/R)*2 and ground using a digital circuit tester.
NOTE:
*1: VK45DE, *2: VQ35DE
OK or NG
OK >> GO TO 2.
NG >> Check harness between the battery and the starter
motor for open circuit.
2. CHECK BATTERY HARNESS CONNECTION (VOLTAGE DROP TEST)
Check voltage between starter motor B terminal E313 terminal 2
(B)
*1 or (B/R)*2 and battery positive terminal using a digital circuit
tester.
NOTE:
*1: VK45DE, *2: VQ35DE
OK or NG
OK >> GO TO 3.
NG >> Check harness between the battery and the starter
motor for poor continuity.
3. CHECK STARTER MOTOR GROUND CIRCUIT (VOLTAGE DROP TEST)
1. Turn ignition switch OFF.
2. Check voltage between starter motor case and battery negative
terminal using a digital circuit tester.
OK or NG
OK >> Starter motor “B” terminal circuit is OK. Further inspec-
tion necessary. Refer to SC-14, "
WORK FLOW" .
NG >> Check the starter motor case and ground for poor conti-
nuity. Battery voltage should exist.
PKIA2842E
When the ignition switch is in START position,
Voltage: Less than 0.5V
PKIA2370E
When the ignition switch is in START position,
Voltage: Less than 0.2V
PKIA2943E

SC-16
STARTING SYSTEM
Revision: 2004 November 2004 FX35/FX45
DIAGNOSTIC PROCEDURE 2
Check “S” Connector Circuit
1. CHECK POWER SUPPLY FOR STARTER MOTOR “S” CONNECTOR
1. Remove fuel pump fuse.
2. Crank or start the engine (where possible) until the fuel pressure is released.
3. Turn ignition switch OFF.
4. Disconnect starter motor S connector.
5. Check voltage between starter motor harness connector E312
*1
or F33*2 terminal 1 (B) and ground using a digital circuit tester.
NOTE:
*1: VK45DE, *2: VQ35DE
OK or NG
OK >> GO TO 2.
NG >> Check the following.

40A fusible link (letter F , located in fuse and fusible
link box)

Ignition switch

Starter relay [within the IPDM E/R (intelligent power distribution module engine room)].

Harness for open or short
2. CHECK “S” TERMINAL CONNECTION (VOLTAGE DROP TEST)
1. Turn ignition switch OFF.
2. Connect starter motor S connector.
3. Check voltage between starter motor harness connector E312
*1
or F33*2 terminal 1 (B) and battery positive terminal using a dig-
ital circuit tester.
NOTE:
*1: VK45DE, *2: VQ35DE
OK or NG
OK >> Starter motor “S” connector circuit is OK. Further inspec-
tion necessary. Refer to SC-14, "
WORK FLOW" .
NG >> Check harness between the battery and the starter motor “S” connector for poor continuity.
MINIMUM SPECIFICATION OF CRANKING VOLTAGE REFERENCING COOLANT TEMPERA-
TURE
When the ignition switch is in START position,
Battery voltage should exist.
PKIA2807E
When the ignition switch is in START position,
Voltage: Less than 1V
PKIA2808E
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

SERVICE DATA AND SPECIFICATIONS (SDS)
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Revision: 2004 November 2004 FX35/FX45
SERVICE DATA AND SPECIFICATIONS (SDS)PFP:00030
BatteryAKS0079N
StarterAKS0079O
AlternatorAKS0079P
Type80D23L
Capacity V - AH 12 - 52
Cold cranking current (For reference value)
A582
Applied model VK45DE VQ35DE (2WD) VQ35DE (AWD)
Ty p eM2T85075 S114 - 880 S114 - 881
MITSUBISHI
makeHITACHI make
Reduction gear type
System voltage V 12
No-loadTerminal voltage V 11
Current A Less than 145 Less than 90
Revolution rpm More than 3,300 More than 2,880
Minimum diameter of commutator mm (in) 31.4 (1.236) 28.0 (1.102)
Minimum length of brush mm (in) 11.0 (0.433) 10.5 (0.413)
Brush spring tension N (kg, lb)26.7 - 36.1
(2.72 - 3.68,
6.80 - 8.12)16.2 (1.65, 3.6)
Clearance between bearing metal and armature shaft mm (in) Less than 0.2 (0.008)
Clearance between pinion front edge and pinion stopper mm (in)0.5 - 2.0
(0.020 - 0.079)0.3 - 2.5 (0.012 - 0.098)
Applied model VK45DE VQ35DE
Ty p eLR1110 - 716 A3TG0191
HITACHI make MITSUBISHI make
Nominal rating V - A 12 - 110
Ground polarityNegative
Minimum revolution under no-load (When 13.5V is applied)
rpmLess than 1,100 Less than 1,000
Hot output current (When 13.5V is applied) A/
rpmMore than 70/1,800
More than 91/2,500
More than 110/5,000More than 37/1,300
More than 92/2,500
More than 103/5,000
Regulated output voltage V 14.1 - 14.7
Minimum length of brush mm (in) More than 6.00 (0.236) More than 5.00 (0.197)
Brush spring pressure N (g, oz)1.00 - 3.43
(102 - 350, 3.60 - 12.34)4.9 - 6.1
(499 - 622, 17.62 - 21.94)
Slip ring minimum outer diameter mm (in) More than 26.0 (1.024) More than 22.1 (0.870)
Rotor (Field coil) resistance Ω2.31 1.7 - 2.1