Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 757

35B-10
Code No.16 ABS-ECU power supply system (abnormal
voltage drop or rise)
This code is output if the ABS-ECU power supply voltage drops below or rises above
the rated values.
Furthermore, turning the ignition switch to ACC will erase this code.
Caution
If battery voltage drops or rises during inspection, this code will be output as well. If the voltage
returns to standard value, this code is no longer output.
Before carrying out the following inspection, check the battery level, and refill it if necessary.
Measure at the ABS-ECU connector B-123.
D Disconnect the connector, and measure at the harness side
connector.
D Start the engine. Voltage between 10 and body earth
OK: System voltage
Check the following connector: B-123
OK
Check the trouble
symptom.
NG
Replace the hydraulic unit and ABS-ECU.
ABS <4WD> -
OK
NG
Repair
Troubleshooting
Probable cause
D Malfunction of battery
D Malfunction of wiring harness or connector
D Malfunction of hydraulic unit and ABS-ECU
NG
Check the following connectors: B-123, C-128 <R.H. drive
vehicles>, C-130 <L.H. drive vehicles>, C-209, C-210
OK
Check the trouble
symptom.
NG
Check the harness wire, and repair if necessary.
D Between ignition switch (IG2) and ABS-ECU
NG
Repair