4
TROUBLESHOOTING
STANDARD FLOW OF DIAGNOSTIC TROUBLESHOOTING
Refer to GROUP 00 – How to Use Troubleshooting/Inspection Service Points.
DIAGNOSIS FUNCTION
DIAGNOSIS CODE CHECK
Connect the MUT-II
to the diagnosis connector (16 –pin) under the instrument under cover, then check diagnosis codes.
(Refer to GROUP 00 – How to Use Troubleshooting/Inspection Service Points.)
ERASING DIAGNOSIS CODES
Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points.
INSPECTION CHART FOR DIAGNOSIS CODES
Inspect according to the inspection chart that is appropriate for the malfunction code.
Code No. Diagnosis ItemReference Page
14 Analog G-sensor system in the SRS-ECU 52B-6
15, 16 Front impact safing G sensor system inside SRS-ECU 52B-6
17 Side impact safing G sensor system inside SRS-ECU 52B-6
21, 22, 61, 62 Driver’s side air bag module (squib) system 52B-7
24, 25, 64, 65 Front passenger’s side air bag module (squib) system 52B-8
31, 32 SRS-ECU capacitor system 52B-8
34* Connector lock system 52B-9
35 SRS-ECU (deployed air bag) system 52B-9
41* IG1 (A) power circuit system 52B-9
42* IG1 (B) power circuit system 52B-9
Lamp does not illuminate.* 52B-1043 SRS warning lamp driver circuit system
Lamp does not switch off. 52B-10
44* SRS warning lamp drive circuit system 52B-10
45 Internal circuit system of non-volatile memory (EEPROM) inside SRS-ECU 52B-11
51, 52 Driver’s side air bag module (squib ignition drive circuit) system 52B-11
54, 55 Front passenger’s side air bag module (squib ignition drive circuit) system 52B-11
71, 72, 75, 76 Side air bag module (R.H.) (squib) system 52B-11
73, 74 Side air bag module (R.H.) (squib) ignition drive circuit system 52B-12
79, 93 Side air bag module (L.H.) communication system 52B-12
81, 82, 85, 86 Side air bag module (L.H.) (squib) system 52B-12
83, 84 Side air bag module (L.H.) (squib) ignition drive circuit system 52B-13
SRS - Troubleshooting52B-5
WHEN USING THE MUT-II
Connect the MUT-II to the diagnosis connector and erase the diagnosis code.
Caution
Turn off the ignition switch before connecting or disconnecting the MUT-II.
