Detailed Flow
- PRELIMINARY INSPECTION
Perform the preliminary inspection. Refer to Inspection Procedure .
GO TO 2.
- CHECK DTC
CONSULT
Select "Self Diagnostic Result" mode of "ENGINE".
Is any DTC detected?
YES
Refer to DTC Index .
NO
GO TO 3.
- STOP POWER GENERATION VOLTAGE VARIABLE CONTROL SYSTEM
Stop the operation of the power generation voltage variable control in either of the following procedures.
- After selecting "ENGINE", set the DUTY value of "ALTERNATOR DUTY" to 0 % by selecting "ALTERNATOR DUTY" of "Active Test". Continue "Active Test" until the end of inspection. (When the DUTY value is 0 or 100 %, the normal power generation is performed according to the characteristic of the IC regulator of the generator.)
- Ignition switch OFF, and disconnect the battery current sensor connector. [However, DTC (P1550-P1554) of the engine might remain. After finishing the inspection, connect the battery current sensor connector and erase "Self-Diagnostic Results" history of "ENGINE".]
GO TO 4.
- 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 5.
LOW OUTPUT or HIGH OUTPUT
GO TO 12.
EXCESSIVE RIPPLE, OPEN PHASE, OPEN DIODE or SHORTED DIODE
Replace the generator. Refer to Removal and Installation . Perform system 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 7.
NO
GO TO 6.
- "L" TERMINAL CIRCUIT (OPEN) INSPECTION
Check "L" terminal circuit (open). Refer to Diagnosis Procedure .
Is the "L" terminal circuit normal?
YES
Replace generator. Refer to Removal and Installation .
NO
Repair as needed.
- INSPECTION WITH CHARGE WARNING LAMP (IDLING)
Start the engine and run it at idle.
Does the charge warning lamp turn OFF?
YES
GO TO 9.
NO
GO TO 8.
- "L" TERMINAL CIRCUIT (SHORT) INSPECTION
Check "L" terminal circuit (short). Refer to Diagnosis Procedure .
Is the "L" terminal circuit normal?
YES
GO TO 10.
NO
Repair as needed.
- 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 11.
NO
GO TO 10.
- INSPECTION OF GENERATOR PULLEY
Check generator pulley. Refer to Removal and Installation .
Is generator pulley normal?
YES
Replace generator. Refer to Removal and Installation .
NO
Repair as needed.
- "B" TERMINAL CIRCUIT INSPECTION
Check "B" terminal circuit. Refer to Diagnosis Procedure .
Is "B" terminal circuit normal?
YES
Replace generator. Refer to Removal and Installation .
NO
Repair as needed.
- "B" TERMINAL CIRCUIT INSPECTION
Check "B" terminal circuit. Refer to Diagnosis Procedure .
Is "B" terminal circuit normal?
YES
GO TO 13.
NO
Repair as needed.
- INSPECTION OF GENERATOR PULLEY
Check generator pulley. Refer to Removal and Installation .
Is generator pulley normal?
YES
Replace generator. Refer to Removal and Installation .
NO
Repair as needed.