Hyundai Santa Fe (2006 year). Manual — part 759
RT -78
RESTRAINTS
DTC B1378 SIDE AIRBAG [FRONT-DRIVER] RESISTANCE TOO HIGH
DTC B1379 SIDE AIRBAG [FRONT-DRIVER] RESISTANCE TOO LOW
DTC B1382 SIDE AIRBAG [FRONT-PASSENGER] RESISTANCE TOO HIGH
DTC B1383 SIDE AIRBAG [FRONT-PASSENGER] RESISTANCE TOO LOW
DTC DESCRIPTION
E7BD1E52
The Side Airbag circuit consists of the SRSCM and two Side Airbags (SAB). The SRSCM sets above DTC(s) if it detects
that the resistance of SAB squib is too high or low.
DTC DETECTING CONDITION
EFB0E0EA
DTC
Condition
Probable cause
B1378
B1379
B1382
B1383
• Too high or low resistance between SAB
high(+) and SAB low (-)
• Side Airbag (SAB) Malfunction
• SRSCM Malfunction
• Open or short circuit on
wiring harness
• Side Airbag (SAB) squib
• SRSCM
SCHEMATIC DIAGRAM
EC34F93D
[HARNESS CONNECTOR]
SAB[Driver] SAB[Passenger]
SRSCM
19(B)
SAB [Driver]
Low
20(B)
8(B)
SAB [Passenger]
7(B)
High
Low
High
1
2
1
2
Terminal
Terminal
Connected to
Connected to
Function
Function
1
SRSCM Terminal 20(B)
SAB High
2
SRSCM Terminal 19(B)
SAB Low
SAB [Driver]
1
SRSCM Terminal 7(B)
SAB High
2
SRSCM Terminal 8(B)
SAB Low
SAB [Passenger]
1
2
1
2
SRSCM
CONNECTOR B
CONNECTOR A
Shorting Bar
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
30
29
28
27
26
25
24
23
22
21
40
39
38
37
36
35
34
33
32
31
6
5
4
3
2
1
12
11
10
9
8
7
18
17
16
15
14
13
24
23
22
21
20
19
ERBF501S
SPECIFICATION
EBEB1D00
SAB resistance : 1.4 ~ 6.2 Ω
TERMINAL & CONNECTOR INSPECTION
E93C87E7
Refer to the DESCRIPTION in this TROUBLESHOOTING section. (See page RT - 36)
TROUBLESHOOTING
RT -79
INSPECTION PROCEDURE
EF40A750
1.
PREPARATION
Refer to the DESCRIPTION in this TROUBLESHOOTING section. (See page RT - 36)
2.
CHECK SAB RESISTANCE
CAUTION
Never attempt to measure the circuit resistance of the airbag module(squib) even if you are using the speci-
fied tester.
1)
Connect the Dummy and the Dummy Adapter on SAB harness connector.
● Refer to "SPECIAL SERVICE TOOL" section in this SERVICE MANUAL for the SST No. of Dummy and
Dummy Adapter.
2)
Measure resistance between the terminal 20(7) and 19(8) of SRSCM harness connector(B).
Specification (resistance) : 1.4 ~ 6.2 Ω
Dummy
Adapter
SRSCM
LOCK
20(7)B
2
19(8)B
1
Dummy
Ω
ERBF500Y
3)
Is the measured resistance within specification?
YES
▶Replace the Side Airbag(SAB) module.
NO
▶Check open circuit.
3.
CHECK OPEN CIRCUIT
1)
Measure resistance between the terminal 1 of SAB harness connector and the terminal 20(7) of SRSCM harness
connector(B).
2)
Measure resistance between the terminal 2 of SAB harness connector and the terminal 19(8) of SRSCM harness
connector(B).
Specification (resistance) : below 1 Ω
RT -80
RESTRAINTS
SAB
SRSCM
LOCK
2
1
Ω
20(7)B
19(8)B
SCMRT6151D
3)
Is the measured resistance within specification?
YES
▶Check short circuit.
NO
▶Repair or replace the wiring harness between the SAB and the SRSCM.
4.
CHECK SHORT CIRCUIT
1)
Measure resistance between the terminal 1 and 2 of SAB harness connector.
Specification (resistance) : infinite
SAB
SRSCM
LOCK
19(8)B
2
20(7)B
1
Ω
ERBF200I
2)
Is the measured resistance within specification?
YES
▶ Go to next step.
NO
▶ Repair or replace the wiring harness between the SAB and the SRSCM.
5.
CLEAR THE DTC AND CHECK THE VEHICLE AGAIN
Refer to the DESCRIPTION in this TROUBLESHOOTING section. (See page RT - 36)
TROUBLESHOOTING
RT -81
DTC B1380 SIDE AIRBAG [FRONT-DRIVER] CIRCUIT SHORT TO GROUND
DTC B1384 SIDE AIRBAG [FRONT-PASSENGER] CIRCUIT SHORT TO
GROUND
DTC DESCRIPTION
E550E963
The Side Airbag circuit consists of the SRSCM and two Side Airbags (SAB). The SRSCM sets above DTC(s) if it detects
short to ground on the SAB circuit.
DTC DETECTING CONDITION
ED535401
DTC
Condition
Probable cause
B1380
B1384
• Short to ground between SAB and SRSCM
• Side Airbag (SAB) Malfunction
• SRSCM Malfunction
• Short to ground circuit on
wiring harness
• Side Airbag (SAB) squib
• SRSCM
SCHEMATIC DIAGRAM
EF684607
[HARNESS CONNECTOR]
SAB[Driver] SAB[Passenger]
SRSCM
19(B)
SAB [Driver]
Low
20(B)
8(B)
SAB [Passenger]
7(B)
High
Low
High
1
2
1
2
Terminal
Terminal
Connected to
Connected to
Function
Function
1
SRSCM Terminal 20(B)
SAB High
2
SRSCM Terminal 19(B)
SAB Low
SAB [Driver]
1
SRSCM Terminal 7(B)
SAB High
2
SRSCM Terminal 8(B)
SAB Low
SAB [Passenger]
1
2
1
2
SRSCM
CONNECTOR B
CONNECTOR A
Shorting Bar
10
9
8
7
6
5
4
3
2
1
20
19
18
17
16
15
14
13
12
11
30
29
28
27
26
25
24
23
22
21
40
39
38
37
36
35
34
33
32
31
6
5
4
3
2
1
12
11
10
9
8
7
18
17
16
15
14
13
24
23
22
21
20
19
ERBF501S
TERMINAL & CONNECTOR INSPECTION
E894CAD8
Refer to the DESCRIPTION in this TROUBLESHOOTING section. (See page RT - 36)
INSPECTION PROCEDURE
EFA29334
1.
PREPARATION
Refer to the DESCRIPTION in this TROUBLESHOOTING section. (See page RT - 36)
2.
CHECK SHORT TO GROUND
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