[Previous][Next]
Work Flow (With EXP-800 NI or GR8-1200 NI)
 
 
CHARGING SYSTEM DIAGNOSIS WITH EXP-800 NI OR GR8-1200 NI
To test the charging system, use the following special service tools:
  • EXP-800 NI Battery and electrical diagnostic analyzer
  • GR8-1200 NI Multitasking battery and electrical diagnostic station
noteRefer to the applicable Instruction Manual for proper charging system diagnosis procedures.
 
 
OVERALL SEQUENCE
 
 
DETAILED FLOW
noteTo ensure a complete and thorough diagnosis, the 12V battery, starter motor and generator test segments must be done as a set from start to finish.
1.PRELIMINARY INSPECTION
Perform preliminary inspection. Refer to Refer to Inspection Procedure.
: .
 
2.DIAGNOSIS WITH EXP-800 NI OR GR8-1200 NI
Perform the charging system test using Multitasking battery and electrical diagnostic station GR8-1200 NI or Battery and electrical diagnostic analyzer EXP-800 NI. Refer to the applicable Instruction Manual for proper testing procedures.
Test result
PROBLEMSCharging system is normal and will also show “DIODE RIPPLE” test result.
VOLTAGE.
: .
: Replace generator. Refer to Removal and Installation.
: Replace generator. Refer to Removal and Installation. Perform “DIODE RIPPLE” test again using Multitasking battery and electrical diagnostic station GR8-1200 NI or Battery and electrical diagnostic analyzer EXP-800 NI to confirm repair.
 
3.INSPECTION WITH CHARGE WARNING LIGHT (IGNITION SWITCH IS ON)
Ignition switch ON.
Does the charge warning light illuminate?
.
Replace generator. Refer to Removal and Installation.
 
4.INSPECTION WITH CHARGE WARNING LIGHT (IDLING)
Start the engine and run it at idle.
Does the charge warning light turn OFF?
.
.
 
5.INSPECTION WITH CHARGE WARNING LIGHT (ENGINE AT 3,000 RPM)
Increase and maintain the engine speed at 3,000 rpm.
Does the charge warning light remain off?
.
.
 
6.INSPECTION OF GENERATOR PULLEY
Check generator pulley. Refer to InspectionInspection.
Is generator pulley normal?
Replace generator. Refer to Removal and Installation.
Repair as needed.
 
7.“B” TERMINAL CIRCUIT INSPECTION
Check “B” terminal circuit. Refer to Diagnosis Procedure.
Is “B” terminal circuit normal?
Replace generator. Refer to Removal and Installation.
Repair as needed.
 
8.“B” TERMINAL CIRCUIT INSPECTION
Check “B” terminal circuit. Refer to Diagnosis Procedure.
Is “B” terminal circuit normal?
.
Repair as needed.
 
9.INSPECTION OF GENERATOR PULLEY
Check generator pulley. Refer to InspectionInspection.
Is generator pulley normal?
Replace generator. Refer to Removal and Installation.
Repair as needed.