Hyundai Santa Fe (2006 year). Manual — part 761
RT -86
RESTRAINTS
DTC B1400 SIDE IMPACT SENSOR [FRONT-DRIVER] DEFECT
DTC B1403 SIDE IMPACT SENSOR [FRONT-PASSENGER] DEFECT
DTC B1409 SIDE IMPACT SENSOR [FRONT-DRIVER]
COMMUNICATION ERROR
DTC B1410 SIDE IMPACT SENSOR [FRONT-PASSENGER]
COMMUNICATION ERROR
DTC DESCRIPTION
E7C1CA1D
The detecting system for side crash consists of the SRSCM and four Side Impact Sensors (SIS). The SRSCM sets above
DTC(s) if it detects that any SIS is defective or there is communication error between any SIS and the SRSCM.
DTC DETECTING CONDITION
EFA2D8F7
DTC
Condition
Probable cause
B1400
B1403
B1409
B1410
• Open between SIS and SRSCM
• Side Impact Sensor (SIS) Malfunction
• SRSCM Malfunction
• Wiring Harness
• Side Impact Sensor (SIS)
• SRSCM
SCHEMATIC DIAGRAM
EB8523E1
[HARNESS CONNECTOR]
SIS[Driver] SIS[Passenger]
SRSCM
26(B)
SIS [Driver]
High
27(B)
29(B)
SIS [Passenger]
High
28(B)
Low
Low
1
2
1
2
Terminal
Terminal
Connected to
Function
Connected to
Function
1
SRSCM Terminal 26(B)
SIS High
2
SRSCM Terminal 27(B)
SIS Low
SIS High
SIS Low
SIS [Driver]
1
SRSCM Terminal 29(B)
2
SRSCM Terminal 28(B)
SIS [Passenger]
SIS High
SIS Low
SRSCM
CONNECTOR A
CONNECTOR B
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
1
2
1
2
SCMRT6160L
TERMINAL & CONNECTOR INSPECTION
E276ABDE
Refer to the DESCRIPTION in this TROUBLESHOOTING section. (See page RT - 36)
TROUBLESHOOTING
RT -87
INSPECTION PROCEDURE
EE9E71F6
1.
PREPARATION
Refer to the DESCRIPTION in this TROUBLESHOOTING section. (See page RT - 36)
2.
CHECK SIS CIRCUIT
1)
Measure resistance between the terminal 1 of SIS harness connector and the terminal 26(29) of SRSCM harness
connector(B).
2)
Measure resistance between the terminal 2 of SIS harness connector and the terminal 27(28) of SRSCM harness
connector(B).
Specification (resistance) : below 1 Ω
SIS
SRSCM
LOCK
27(28)B
2
26(29)B
1
Ω
ERBF502E
3)
Is the measured resistance within specification?
YES
▶Check Side Impact Sensor.
NO
▶ Repair or replace the wiring harness between the SIS and the SRSCM.
3.
CHECK THE SIDE IMPACT SENSOR
1)
Replace the Side Impact Sensor(SIS) with a new one.
● Refer to "Side Impact Sensor(SIS)" section in this SERVICE MANUAL.
2)
Install the DAB module and connect the DAB connector.
3)
Connect the connectors of the PAB, SAB, CAB, BPT, FIS and SIS.
4)
Connect the SRSCM connector.
5)
Connect the battery negative cable to the battery.
6)
Connect a Hi-Scan(Pro) to the data link connector.
RT -88
RESTRAINTS
7)
Turn the ignition switch to ON and check the vehicle again.
Does Hi-Scan (Pro) indicate any DTC related to Side Impact Sensor(SIS)?
YES
▶ Go to next step.
NO
▶ Replace SIS.
4.
CLEAR THE DTC AND CHECK THE VEHICLE AGAIN
Refer to the DESCRIPTION in this TROUBLESHOOTING section. (See page RT - 36)
TROUBLESHOOTING
RT -89
DTC B1401 SIDE IMPACT SENSOR [FRONT-DRIVER] CIRCUIT
SHORT TO GROUND
DTC B1404 SIDE IMPACT SENSOR [FRONT-PASSENGER] CIRCUIT
SHORT TO GROUND
DTC DESCRIPTION
E97ECDA8
The detecting system for side crash consists of the SRSCM and four Side Impact Sensors (SIS). The SRSCM sets above
DTC(s) if it detects short to ground on the SIS circuit.
DTC DETECTING CONDITION
E0FA7544
DTC
Condition
Probable cause
B1401
B1404
• Short to ground between SIS and SRSCM
• Side Impact Sensor (SIS) Malfunction
• SRSCM Malfunction
• Short to ground circuit on
wiring harness
• Side Impact Sensor (SIS)
• SRSCM
SCHEMATIC DIAGRAM
EE98102E
[HARNESS CONNECTOR]
SIS[Driver] SIS[Passenger]
SRSCM
26(B)
SIS [Driver]
High
27(B)
29(B)
SIS [Passenger]
High
28(B)
Low
Low
1
2
1
2
Terminal
Terminal
Connected to
Function
Connected to
Function
1
SRSCM Terminal 26(B)
SIS High
2
SRSCM Terminal 27(B)
SIS Low
SIS High
SIS Low
SIS [Driver]
1
SRSCM Terminal 29(B)
2
SRSCM Terminal 28(B)
SIS [Passenger]
SIS High
SIS Low
SRSCM
CONNECTOR A
CONNECTOR B
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
1
2
1
2
SCMRT6160L
TERMINAL & CONNECTOR INSPECTION
EF53CDBA
Refer to the DESCRIPTION in this TROUBLESHOOTING section. (See page RT - 36)
INSPECTION PROCEDURE
E384A624
1.
PREPARATION
Refer to the DESCRIPTION in this TROUBLESHOOTING section. (See page RT - 36)
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