Mitsubishi Electric Lancer Evolution-VII Workshop Manual page 542

INSPECTION PROCEDURE CLASSIFIED BY DIAGNOSIS CODE
Code No.14, 15, 16, 31, 32, 45, 51, 52, 54, 55, 56, 57, 58, 59
System inside SRS-ECU
Malfunction is present inside SRS-ECU. See table below for what each code
tells.
Code No. Defective parts
14 Front impact analog G-sensor
Front impact safing G-sensor
15
16
DC-DC converter
31
32
45 Non-volatile memory (EEPROM)
51 51 Driver's air bag module (squib) Driver's air bag module (squib)
ignition drive circuit ignition drive circuit
52
54 Front passenger's air bag module
(squib) ignition drive circuit (squib) ignition drive circuit
55
Driver's seat
56
(squib) ignition drive circuit (squib) ignition drive circuit
57
Front passenger's seat belt pre-ten-
58
sioner (squib) ignition drive circuit sioner (squib) ignition drive circuit
59
If the above - mentioned code No. is output, replace the SRS-ECU.
SRS -
Troubleshooting
Trouble
D
D
D
D
D
D
D
D
D D
D
D
D
belt pre-tensioner
D
D
D
D
Probable cause
D Malfunction of SRS-ECU
Not operating
Abnormal characteristics
Abnormal output
Short in the circuit
Open in the circuit
Terminal voltage of the converter higher than specified for
five seconds or more
Terminal voltage of the converter lower than specified for
5 seconds or more (this code is not detected when code
No.41 or 42, which indicates discharged battery, has been
detected)
Defective parts inside
Short in the circuit Short in the circuit
Open in the circuit
Short in the circuit
Open in the circuit
Short in the circuit
Open in the circuit
Short in the circuit
Open in the circuit
52B-11