Work Flow
CHARGING SYSTEM DIAGNOSIS WITH 165-DSS - 5000P
To test the charging system, use the following special service tool:
- 165-DSS-5000P battery and electrical diagnostic analyzer
OVERALL SEQUENCE
DETAILED FLOW
- PRELIMINARY INSPECTION
Perform preliminary inspection. Refer to Work Procedure .
GO TO 2.
- DIAGNOSIS WITH 165-DSS - 5000P
Perform the system test using battery and electrical diagnostic analyzer 165-DSS-5000P. Refer to the applicable instruction manual for proper testing procedures.
Test result
NO
Charging system is normal and will also show "DIODE RIPPLE" test result.
NO
GO TO 3.
LOW OUTPUT
GO TO 8.
HIGH OUTPUT
Replace generator. Refer to GENERATOR : Removal & Installation (with PR25DD engine) or GENERATOR : Removal & Installation (with KR20DDET engine).
EXCESSIVE RIPPLE, OPEN PHASE, OPEN DIODE or SHORTED DIODE
Replace generator. Refer to GENERATOR : Removal & Installation (with PR25DD engine) or GENERATOR : Removal & Installation (with KR20DDET engine). Perform "system test" test again using the 165-DSS-5000P battery and electrical diagnostic analyzer to confirm repair.
- INSPECTION WITH CHARGE WARNING LAMP (IGNITION SWITCH IS ON)
Ignition switch ON.
Does the charge warning lamp illuminate?
YES
GO TO 4.
NO
Replace generator. Refer to GENERATOR : Removal & Installation (with PR25DD engine) or GENERATOR : Removal & Installation (with KR20DDET engine).
- INSPECTION WITH CHARGE WARNING LAMP (IDLING)
Start the engine and run it at idle.
Does the charge warning lamp turn OFF?
YES
GO TO 5.
NO
GO TO 6.
- INSPECTION WITH CHARGE WARNING LAMP (ENGINE AT 3, 000 RPM)
Increase and maintain the engine speed at 3, 000 rpm.
Does the charge warning lamp remain off?
YES
GO TO 7.
NO
GO TO 6.
- INSPECTION OF GENERATOR PULLEY
Check generator pulley. Refer to GENERATOR : Exploded View (with PR25DD engine) or GENERATOR : Exploded View (with KR20DDET engine).
Is generator pulley normal?
YES
Replace generator. Refer to GENERATOR : Removal & Installation (with PR25DD engine) or GENERATOR : Removal & Installation (with KR20DDET engine).
NO
Repair as needed.
- "B" TERMINAL CIRCUIT INSPECTION
Check "B" terminal circuit. Refer to Diagnosis Procedure (with PR25DD engine) or Diagnosis Procedure (with KR20DDET engine).
Is "B" terminal circuit normal?
YES
Replace generator. Refer to GENERATOR : Removal & Installation (with PR25DD engine) or GENERATOR : Removal & Installation (with KR20DDET engine).
NO
Repair as needed.
- "B" TERMINAL CIRCUIT INSPECTION
Check "B" terminal circuit. Refer to Diagnosis Procedure (with PR25DD engine) or Diagnosis Procedure (with KR20DDET engine).
Is "B" terminal circuit normal?
YES
GO TO 9.
NO
Repair as needed.
- INSPECTION OF GENERATOR PULLEY
Check generator pulley. Refer to GENERATOR : Exploded View (with PR25DD engine) or GENERATOR : Exploded View (with KR20DDET engine).
Is generator pulley normal?
YES
Replace generator. Refer to GENERATOR : Removal & Installation (with PR25DD engine) or GENERATOR : Removal & Installation (with KR20DDET engine).
NO
Repair as needed.