Nissan 350Z Workshop Maunual 2005 (39) PDF | Page 24

SC-24
CHARGING SYSTEM
Revision: 2005 August 2005 350Z
10. Raise and hold the engine speed at 1,500 to 2,000 rpm for about
5 seconds, then return the engine to idle. Once the increase in
engine rpm is detected, press ?ENTER? to continue.
NOTE:
If after 30 seconds an increase in engine idle speed is not
detected, ?RPM NOT DETECTED? will be displayed. Press
?ENTER? to restart the test.
11. Diagnostic result is displayed on the tester. Refer to SC-24,
"DIAGNOSTIC RESULT ITEM CHART" .
12. Press ?ENTER? then test output code is displayed. Record the
test output code on the repair order.
13. Toggle back to the ?DIAGNOSTIC SCREEN? for test results.
DIAGNOSTIC RESULT ITEM CHART
SEL421X
SEL422X
SEL577X
Diagnostic item Service procedure
CHARGING SYSTEM NORMAL Charging system is normal and will also show DIODE RIPPLE test result.
NO CHARGING VOLTAGE
Go to SC-25, "
WORK FLOW" .LOW CHARGING VOLTAGE
HIGH CHARGING VOLTAGE
DIODE RIPPLE NORMAL Diode ripple is OK and will also show CHARGING VOLTAGE test result.
EXCESS RIPPLE DETECTED
Replace the alternator. Perform ?DIODE RIPPLE? test again using Battery/Starting/Charging
system tester to confirm repair.
DIODE RIPPLE NOT DETECTED Go to SC-25, "
WORK FLOW" .

Nissan 350Z Workshop Maunual 2005 (39) Summary of Content

SC-24CHARGING SYSTEMRevision: 2005 August 2005 350Z10. Raise and hold the engine speed at 1,500 to 2,000 rpm for about5 seconds, then return the engine to idle. Once the increase inengine rpm is detected, press ENTER to continue.NOTE:If after 30 seconds an increase in engine idle speed is notdetected, RPM NOT DETECTED will be displayed. PressENTER to restart the test.11. Diagnostic result is displayed on the tester. Refer to SC-24,"DIAGNOSTIC RESULT ITEM CHART" .12. Press ENTER then test output code is displayed. Record thetest output code on the repair order.13. Toggle back to the DIAGNOSTIC SCREEN for test results.DIAGNOSTIC RESULT ITEM CHARTSEL421XSEL422XSEL577XDiagnostic item Service procedureCHARGING SYSTEM NORMAL Charging system is normal and will also show DIODE RIPPLE test result.NO CHARGING VOLTAGEGo to SC-25, "WORK FLOW" .LOW CHARGING VOLTAGEHIGH CHARGING VOLTAGEDIODE RIPPLE NORMAL Diode ripple is OK and will also show CHARGING VOLTAGE test result.EXCESS RIPPLE DETECTEDReplace the alternator. Perform DIODE RIPPLE test again using Battery/Starting/Charging system tester to confirm repair.DIODE RIPPLE NOT DETECTED Go to SC-25, "WORK FLOW" .