GDI ± TroubleshootingGDI ± Troubleshooting
13A-31
Code No.61 Communication wire with A/T-ECU system Probable cause
Range of check
D After 60 seconds have passed since the engine have started
Set conditions
D Torque reduction request signal from A/T-ECU is input continuously for 1.5
seconds or more.
D Short circuit in ECU communication circuit
D Malfunction of the engine-ECU
D Malfunction of the A/T-ECU
NG
Replace the A/T-ECU.
NG
Repair
Check trouble symptom.
NG
Check the harness wire between the engine-ECU and the
A/T-ECU.
OK
Replace the engine-ECU.
OK
Check trouble symptom.
Check the following connectors:
C-19, C-25<LHD>, C-26<RHD>, D-04, D-34
NG
Repair
Code No.64 Alternator FR terminal system Probable cause
Range of check
D Engine speed is 50 r/min or more.
Set conditions
D Input voltage from the alternator FR terminal is system voltage for 20
seconds.
D Open circuit in alternator FR terminal circuit
D Malfunction of the engine-ECU
NG
Repair
NG
Repair
OK
Replace the engine-ECU.
NG
Repair
NG
Repair
OK
Replace the alternator.
OK
Replace the engine-ECU.
NG
Check the harness wire between the
engine-ECU and the alternator.
OK
Check trouble symptom.
OK
Check the following connector:
A-79
NG
Check the harness wire between the
engine-ECU and the alternator.
OK
Check trouble symptom.
Measure at the alternator connector
A-79.
D Connect the connector. (Use test
harness MB991519)
D Voltage between 4 (blue clip)
and earth
(Engine: Idling)
(Radiator fan: Not operating)
(Headlamp: OFF → ON)
(Stop lamp: OFF → ON)
(Rear defogger switch: OFF →
ON)
OK: Voltage decreases.
NG
Measure at the alternator connector
A-79.
D Disconnect the connector, and
measure at the harness side.
D Voltage between 4 and earth
(Ignition switch: ON)
OK: System voltage
NG
Check the following connectors:
A-86, C-18
To Next Page
Loading...
