SC-26
CHARGING SYSTEM
Revision: August 20072004 QX56
DIAGNOSTIC PROCEDURE 5
Check Terminal "4" Circuit
1. CHECK “4” TERMINAL CONNECTION
1. Turn the ignition switch OFF.
2. Check to see if “4” terminal is clean and tight.
OK or NG
OK >> GO TO 2.
NG >> Repair “4” terminal connection. Confirm repair by performing complete Battery/Starting/Charging
system test.
2. CHECK GENERATOR “4” TERMINAL CIRCUIT
Check voltage between generator connector E205 terminal 4 (Y/B)
and ground using a digital circuit tester.
OK or NG
OK >> GO TO 3.
NG >> Check the following.
10A fuse (No. 30, located in fuse and fusible link box)
Harness for open or short between generator and
fuse
3. CHECK “4” TERMINAL CONNECTION QUALITY (VOLTAGE DROP TEST)
1. Start the engine.
2. Check voltage between generator connector E205 terminal 4 (Y/
B) and battery positive terminal using a digital circuit tester.
OK or NG
OK >> Replace the generator. Refer to SC-27, "Removal and
Installation" . Confirm repair by performing complete
Battery/Starting/Charging system test.
NG >> Check harness between the battery and the generator
for poor continuity. Battery voltage should exist.
WKIA2113E
With engine running
at idle and warm.: Less than 0.2V
WKIA2114E
CHARGING SYSTEM
SC-27
C
D
E
F
G
H
I
J
L
MA
B
SC
Revision: August 20072004 QX56
MALFUNCTION INDICATOR
The IC regulator warning function activates to illuminate “CHARGE” warning lamp, if any of the following
symptoms occur while generator is operating:
Excessive voltage is produced.
No voltage is produced.
Removal and InstallationEKS0079H
REMOVAL
1. Disconnect the negative battery terminal.
2. Remove the fan shroud. Refer to CO-10, "
Removal and Installation" .
3. Remove the drive belt. Refer to EM-12, "
Removal and Installation" .
4. Remove the lower bracket, using power tools.
5. Remove the generator upper bolt, using power tools.
6. Disconnect the generator harness connectors.
7. Remove the generator.
INSTALLATION
Installation is in the reverse order of removal.
Install the generator and check the tension of the drive belt. Refer to EM-12, "Tension Adjustment" .
CAUTION:
Tighten terminal "1" nut carefully.
WKIA1390E
Terminal "1" nut : 10.8 N·m (1.1 kg-m, 8 ft-lb)
