2
Code No.
Diagnosis item
Reference
page
45
SRS-ECU non-volatile memory (EEPROM) and A/D converter system
52B-13
51,52
Driver’s side air bag module (squib ignition drive circuit) system
52B-14
54,55
Passenger’s side air bag module (squib ignition drive circuit) system
52B-14
56,57
Driver’s side pre-tensioner (squib ignition drive circuit) system
52B-14
58,59
Passenger’s side pre-tensioner (squib ignition drive circuit) system
52B-14
NOTE
(1) *1: Vehicles with front passenger’s air bag.
(2) *2: This diagnosis code will be automatically cleared from memory and the SRS warning
lamp will switch off when the system returns to normal.
(3) If the vehicle has a discharged battery it will store the fault codes 41 or 42. When these diagnosis
codes are displayed, check the battery.
INSPECTION PROCEDURE CLASSIFIED BY DIAGNOSIS CODES
Code No. 14 Analog G sensor system
Probable cause
The SRS-ECU monitors the analog G sensor output and outputs this code when it
detects a sensor failure, abnormal sensor characteristics or abnormal sensor output.
•
Malfunction of SRS-ECU
Replace the SRS-ECU
Code No. 15 Safing G sensor system
Probable cause
This code is output when there is a short-circuit between the terminals of the safing G
sensor.
The cause of the problem is probably a short-circuit in the safing G sensor.
•
Malfunction of SRS-ECU
Replace the SRS-ECU
Code No. 21 or 22 Driver’s side air bag module (squib)
system
Probable cause
These diagnosis codes are output if there is abnormal resistance between the terminals
of the safing G sensor.
The cause of the problem is probably a short-circuit in the safing G sensor.
•
Malfunction of clock spring
•
Open-circuit in clock spring due to inappropriate
neutral position.
•
Malfunction of harness or connectors
•
Malfunction of driver’s side air bag module (squib)
•
Malfunction of SRS-ECU
Chart 1
Code No.
Trouble symptom
21
•
Short in driver’s side air bag module (squib) or harness short
•
Short in clock spring
22
•
Open circuit in driver’s side air bag module (squib) or open harness
•
Open circuit in clock spring
•
Disconnected connector in the driver’s side air bag module (squib)
•
Open circuit in clock spring due to inappropriate neutral position
•
Malfunction of connector contact
52B-7
SRS - Troubleshooting
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Содержание CARISMA 1996
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