DTC Diagnosis Procedure
The terminal "2" (L) circuit controls the charge warning lamp. The charge warning lamp illuminates when the ignition switch is set to ON or START. When the generator is providing sufficient voltage with the engine running, the charge warning lamp will go off. If the charge warning lamp illuminates with the engine running, a malfunction is indicated.
- CHECK "L" TERMINAL CONNECTION
- Turn ignition switch OFF.
- Check if "L" terminal is clean and tight.
Is the inspection result normal?
YES
GO TO 2.
NO
Repair "L" terminal connection. Confirm repair by performing system test using the DSS-5000P NI. Refer to applicable Instruction Manual for proper testing procedures.
- CHECK "L" TERMINAL CIRCUIT (OPEN)
- Disconnect the generator connector.
- Apply ground to generator harness connector terminal.
- Check condition of the charge warning lamp with the ignition switch in the ON position.
Generator
Ground
Condition
Connector
Terminal
Ignition switch position
Charge warning lamp
E205
2
ON
Illuminate
Does it illuminate?
YES
"L" terminal circuit is normal. Refer to Work Flow (With DSS-5000P NI) or Work Flow (Without DSS-5000P NI) .
NO
GO TO 3.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
- Disconnect the battery cable from the negative terminal.
- Disconnect the combination meter connector.
- Check continuity between generator harness connector and combination meter harness connector.
Generator
Combination meter
Continuity
Connector
Terminal
Connector
Terminal
E205
2
M23
30
Yes
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace the harness or connectors.
- CHECK HARNESS CONTINUITY (OPEN CIRCUIT)
Check continuity between combination meter harness connector and fuse block (J/B).
Combination meter
Fuse block (J/B)
Continuity
Connector
Terminal
Connector
Terminal
M23
32
M39
1Q
Yes
Is the inspection result normal?
YES
GO TO 5.
NO
Repair or replace the harness or connectors.
- CHECK POWER SUPPLY CIRCUIT
- Connect the battery cable to the negative terminal.
- Check voltage between combination meter harness connector and ground.
(+)
(-)
Condition
Voltage
(Approx.)
Combination meter
Connector
Terminal
M23
32
Ground
When the ignition switch is in ON position
Battery voltage
Is the inspection result normal?
YES
Replace the combination meter. Refer to Removal and Installation .
NO
Repair or replace the harness or connectors.