Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 930

MANUAL TRANSMISSION - Troubleshooting <ACD>
Code No.56 Lateral G sensor system
Code No.56 is output when the output signal of the lateral G sensor is below
0.5 V or above 4.5 V.
MUT-II Data List
D No.15 Lateral G sensor voltage
OK: Refer to P.22A-35 (Data List Reference Table).
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
Measure at lateral G sensor connector D-33.
D Disconnect the connector and measure at the harness
side.
D Ignition switch: ON
(1) Voltage between terminal 1 and earth.
OK: System voltage
(2) Resistance between terminal 3 and earth.
OK: 2 Ω or less
MB991348
D-33 Harness
side connector
D Remove the lateral G sensor.
D Connect the special tool between the connector D-33 at
the harness of the lateral G sensor connector and the
lateral G sensor.
D Ignition switch: ON
D Voltage between terminal 2 and body earth [when the
lateral G sensor is placed on a horizontal ground]
OK: 2.4 - 2.6 V
D Voltage between terminal 2 and body earth [when the
lateral G sensor is placed with the labeled side facing the
side]
OK: 3.3 - 3.7 V
Check the following connectors:
<Vehicles with ACD and AYC> D-33, C-44, C-128, B-123
<L.H. drive vehicles with ACD> D-33, C-128, C-44
<R.H. drive vehicles with ACD> D-33, C-44
NG→Repair
Check the harness between the lateral G sensor and
4WD-ECU.
D Check for open circuit, ground and damage of the power
line.
Check the harness between the lateral G sensor and
ABS-ECU. <Vehicles with ACD and AYC>
D Check for ground and damage of the power line.
NG→Repair
NG
OK
Label
Label
OK
OK
Probable cause
D Harness or connector fault
D Lateral G sensor fault
D ABS-ECU fault <Vehicles with ACD and AYC>
D 4WD-ECU fault
(1) NG
Check the following connectors: D-33, C-213, C-210
NG→Repair
Check the harness between the lateral G sensor and ignition
(2) NG
switch.
D Check for the open circuit, ground and damage of the
power line.
NG→Repair
Check the following connectors:
<Vehicles with ACD and AYC> D-33, C-128, B-123
<L.H. drive vehicles with ACD> D-33, C-128, C-44
<R.H. drive vehicles with ACD> D-33, C-44
NG→Repair
Check the harness between the lateral G sensor and
ABS-ECU. <Vehicles with ACD and AYC>
D Check for open circuit and damage of the earth line.
Check the harness between the lateral G sensor and
4WD-ECU.<Vehicles with ACD>
D Check for open circuit and damage of the earth line.
NG→Repair
MUT-II Data List
D No.15 Lateral G sensor voltage
OK: Refer to P.22A-35. (Data List Reference Table)
NG→Refer to GROUP 35B - Troubleshooting <Vehicles with
ACD and AYC>, or replace the 4WD-ECU <Vehicles with
ACD>.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
NG
Replace the lateral G sensor.
OK
MUT-II Data List
D No.15 Lateral G sensor voltage
OK: Refer to P.22A-35. (Data List Reference Table)
NG→Refer to GROUP 35B - Troubleshooting <Vehicles with
ACD and AYC>, or replace the 4WD-ECU.
OK→Intermittent malfunction (Refer to GROUP 00 - Points to
Note for Intermittent Malfunctions)
22A-23
OK
OK
OK