Ford Focus RS (2011 year). Manual — part 98
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
2 Disconnect Driver Side Air Curtain Module
Simulator.
3 Disconnect RCM C429.
4 Measure the resistance between the RCM C429
pin 1, circuit 91S-JA50 (BK/RD), harness side
and the RCM C429 pin 2, circuit 15S-JA50
(GN/OG), harness side.
• Is the resistance greater than 10,000 ohms?
ൺ
Yes
TIE0020884
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
ൺ
No
REPAIR circuit 15S-JA50 (GN/OG) and circuit
91S-JA50 (BK/RD). REPEAT the self-test,
CLEAR the DTCs. REACTIVATE the system.
PINPOINT TEST AX : DTC B2774: DRIVER SIDE AIR CURTAIN CIRCUIT OPEN CIRCUIT
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
AX1: CHECK THE DRIVER SIDE AIR CURTAIN CIRCUIT RESISTANCE
WARNING: To avoid accidental deployment, the RCM backup power supply must be depleted.
Wait at least one minute after disconnecting the battery ground cable(s) before commencing
any repair or adjustment to the SRS, or any component(s) adjacent to the SRS sensors.
Failure to follow these instructions may result in personal injury.
1 Deactivate the SRS.
2 Ignition switch in position II.
3 Carry out the self-test with the simulators
installed.
• Does the system prove out correctly?
ൺ
Yes
ൺ
No
AX2: CHECK THE DRIVER SIDE AIR CURTAIN MODULE SQUIB RESISTANCE
WARNING: Do not proceed with this test unless using the Ford approved diagnostic tool.
Failure to follow this instruction may result in personal injury.
1 Connect the test and deployment lead to the
driver side air curtain module.
2 Select DMM specific on the Ford approved
diagnostic tool.
G401865en
501-20B-
88
Supplemental Restraint System
501-20B-
88
DIAGNOSIS AND TESTING
GO to AX3
.
GO to AX2
.
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Connect the test and deployment lead to the
Ford approved diagnostic tool.
4 Measure the resistance of the driver side air
curtain module squib.
• Is the resistance between 2 and 3 ohms?
ൺ
Yes
TIE39388
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
ൺ
No
INSTALL a new driver side air curtain module.
REFER to: (501-20 Supplemental Restraint
System)
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
AX3: CHECK THE DRIVER SIDE AIR CURTAIN WIRING HARNESS FOR OPEN CIRCUIT OR HIGH
RESISTANCE
1 Ignition switch in position 0.
2 Disconnect RCM C429.
3 Disconnect Driver Side Air Curtain Module
Simulator.
4 Measure the resistance between the:
• RCM C429 pin 1, circuit 91S-JA50 (BK/RD),
harness side and the driver side air curtain
module C710 pin 2, circuit 91S-JA50 (BK/RD),
harness side.
• RCM C429 pin 2, circuit 15S-JA50 (GN/OG),
harness side and the driver side air curtain
module C710 pin 1, circuit 15S-JA50 (GN/OG),
harness side.
TIE0036512
• Are the resistances less than 5 ohms?
ൺ
Yes
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
ൺ
No
REPAIR circuit 15S-JA50 (GN/OG) or circuit
91S-JA50 (BK/RD). REPEAT the self-test,
CLEAR the DTCs. REACTIVATE the system.
G401865en
501-20B-
89
Supplemental Restraint System
501-20B-
89
DIAGNOSIS AND TESTING
Side Air Curtain Module - Vehicles Built From
:
22-06-2007
(Removal and Installation),
PINPOINT TEST AY : DTC B2775: DRIVER SIDE AIR CURTAIN CIRCUIT SHORT TO GROUND
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
AY1: CHECK THE DRIVER SIDE AIR CURTAIN CIRCUIT
WARNING: To avoid accidental deployment, the RCM backup power supply must be depleted.
Wait at least one minute after disconnecting the battery ground cable(s) before commencing
any repair or adjustment to the SRS, or any component(s) adjacent to the SRS sensors.
Failure to follow these instructions may result in personal injury.
1 Deactivate the SRS.
2 Ignition switch in position II.
3 Carry out the self-test with the simulators
installed.
• Does the system prove out correctly?
ൺ
Yes
ൺ
No
AY2: CHECK THE DRIVER SIDE AIR CURTAIN MODULE
WARNING: Do not proceed with this test unless using the Ford approved diagnostic tool.
Failure to follow this instruction may result in personal injury.
1 Connect the test and deployment lead to the
driver side air curtain module.
2 Select DMM specific on the Ford approved
diagnostic tool.
3 Connect the test and deployment lead to the
Ford approved diagnostic tool.
4 Measure the resistance between each of the
terminals and the side air curtain module casing.
• Are the resistances greater than 10,000 ohms?
ൺ
Yes
E39389
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
ൺ
No
INSTALL a new driver side air curtain module.
REFER to: (501-20 Supplemental Restraint
System)
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
AY3: CHECK THE DRIVER SIDE AIR CURTAIN WIRING HARNESS FOR A SHORT TO GROUND
1 Ignition switch in position 0.
G401865en
501-20B-
90
Supplemental Restraint System
501-20B-
90
DIAGNOSIS AND TESTING
Side Air Curtain Module - Vehicles Built From
:
GO to AY3
.
GO to AY2
.
22-06-2007
(Removal and Installation),
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
2 Disconnect RCM C429.
3 Disconnect Driver Side Air Curtain Module
Simulator.
4 Measure the resistance between the:
• RCM C429 pin 1, circuit 91S- JA50 (BK/RD),
harness side and ground.
• RCM C429 pin 2, circuit 15S-JA50 (GN/OG),
harness side and ground.
TIE0020907
• Are the resistances greater than 10,000 ohms?
ൺ
Yes
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
ൺ
No
REPAIR circuit 15S-JA50 (GN/OG) or circuit
91S-JA50 (BK/RD). REPEAT the self-test,
CLEAR the DTCs. REACTIVATE the system.
PINPOINT TEST AZ : DTC B2776: DRIVER SIDE AIR CURTAIN CIRCUIT SHORT TO BATTERY
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
AZ1: CHECK THE DRIVER SIDE AIR CURTAIN WIRING HARNESS FOR A SHORT TO BATTERY
OR IGNITION
WARNING: To avoid accidental deployment, the RCM backup power supply must be depleted.
Wait at least one minute after disconnecting the battery ground cable(s) before commencing
any repair or adjustment to the SRS, or any component(s) adjacent to the SRS sensors.
Failure to follow these instructions may result in personal injury.
1 Deactivate the SRS.
2 Disconnect Driver Side Air Curtain Module
Simulator.
3 Disconnect RCM C429.
4 Ignition switch in position II.
G401865en
501-20B-
91
Supplemental Restraint System
501-20B-
91
DIAGNOSIS AND TESTING
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
5 Measure the voltage between the:
• RCM C429 pin 1, circuit 91S- JA50 (BK/RD),
harness side and ground.
• RCM C429 pin 2, circuit 15S-JA50 (GN/OG),
harness side and ground.
TIE0020904
• Is any voltage present?
ൺ
Yes
REPAIR circuit 15S-JA50 (GN/OG) or circuit
91S-JA50 (BK/RD). REPEAT the self-test,
CLEAR the DTCs. REACTIVATE the system.
ൺ
No
CONNECT the driver side air curtain module
simulator and the RCM C429. REPEAT the
self-test, CLEAR the DTCs. REACTIVATE the
system.
PINPOINT TEST BA : DTC B2777: PASSENGER SIDE AIR CURTAIN CIRCUIT LOW RESISTANCE
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
BA1: CHECK THE PASSENGER SIDE AIR CURTAIN MODULE CIRCUIT RESISTANCE
WARNING: To avoid accidental deployment, the RCM backup power supply must be depleted.
Wait at least one minute after disconnecting the battery ground cable(s) before commencing
any repair or adjustment to the SRS, or any component(s) adjacent to the SRS sensors.
Failure to follow these instructions may result in personal injury.
1 Deactivate the SRS.
2 Ignition switch in position II.
3 Carry out the self-test with the simulators
installed.
• Does the system prove out correctly?
ൺ
Yes
ൺ
No
BA2: CHECK THE PASSENGER SIDE AIR CURTAIN MODULE SQUIB RESISTANCE
WARNING: Do not proceed with this test unless using the Ford approved diagnostic tool.
Failure to follow this instruction may result in personal injury.
1 Connect the test and deployment lead to the
passenger side air curtain module.
2 Select DMM specific on the Ford approved
diagnostic tool.
3 Connect the test and deployment lead to the
Ford approved diagnostic tool.
G401865en
501-20B-
92
Supplemental Restraint System
501-20B-
92
DIAGNOSIS AND TESTING
GO to BA3
.
GO to BA2
.
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
4 Measure the resistance of the passenger side
air curtain module squib.
• Is the resistance between 2 and 3 ohms?
ൺ
Yes
TIE39388
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
ൺ
No
INSTALL a new passenger side air curtain
module. REFER to: (501-20 Supplemental
Restraint System)
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
BA3: CHECK THE PASSENGER SIDE AIR CURTAIN WIRING HARNESS FOR LOW RESISTANCE
1 Ignition switch in position 0.
2 Disconnect Passenger Side Air Curtain Module
Simulator.
3 Disconnect RCM C429.
4 Measure the resistance between the RCM C429
pin 11, circuit 91S-JA51 (BK/BU), harness side
and the RCM C429 pin 12, circuit 15S-JA51
(GN/BU), harness side.
• Is the resistance greater than 10,000 ohms?
ൺ
Yes
TIE0036513
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
ൺ
No
REPAIR circuit 15S-JA51 (GN/BU) and circuit
91S-JA51 (BK/BU). REPEAT the self-test,
CLEAR the DTCs. REACTIVATE the system.
PINPOINT TEST BB : DTC B2778: PASSENGER SIDE AIR CURTAIN CIRCUIT OPEN CIRCUIT
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
BB1: CHECK THE PASSENGER SIDE AIR CURTAIN CIRCUIT RESISTANCE
WARNING: To avoid accidental deployment, the RCM backup power supply must be depleted.
Wait at least one minute after disconnecting the battery ground cable(s) before commencing
any repair or adjustment to the SRS, or any component(s) adjacent to the SRS sensors.
Failure to follow these instructions may result in personal injury.
1 Deactivate the SRS.
2 Ignition switch in position II.
G401865en
501-20B-
93
Supplemental Restraint System
501-20B-
93
DIAGNOSIS AND TESTING
Side Air Curtain Module - Vehicles Built From
:
22-06-2007
(Removal and Installation),
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
3 Carry out the self-test with the simulators
installed.
• Does the system prove out correctly?
ൺ
Yes
ൺ
No
BB2: CHECK THE PASSENGER SIDE AIR CURTAIN MODULE SQUIB RESISTANCE
WARNING: Do not proceed with this test unless using the Ford approved diagnostic tool.
Failure to follow this instruction may result in personal injury.
1 Connect the test and deployment lead to the
passenger side air curtain module.
2 Select DMM specific on the Ford approved
diagnostic tool.
3 Connect the test and deployment lead to the
Ford approved diagnostic tool.
4 Measure the resistance of the passenger side
air curtain module squib.
• Is the resistance between 2 and 3 ohms?
ൺ
Yes
TIE39388
REPEAT the self-test, CLEAR the DTCs.
ൺ
No
INSTALL a new passenger side air curtain
module. REFER to: (501-20 Supplemental
Restraint System)
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
BB3: CHECK THE PASSENGER SIDE AIR CURTAIN WIRING HARNESS FOR OPEN CIRCUIT OR
HIGH RESISTANCE
1 Ignition switch in position 0.
2 Disconnect RCM C429.
3 Disconnect Passenger Side Air Curtain Module
Simulator.
G401865en
501-20B-
94
Supplemental Restraint System
501-20B-
94
DIAGNOSIS AND TESTING
GO to BB3
.
GO to BB2
.
Side Air Curtain Module - Vehicles Built From
:
22-06-2007
(Removal and Installation),
REACTIVATE the system.
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
4 Measure the resistance between the:
• RCM C429 pin 11, circuit 91S-JA51 (BK/BU),
harness side and the passenger side air curtain
module C711 pin 2, circuit 91S-JA51 (BK/BU),
harness side.
• RCM C429 pin 12, circuit 15S-JA51 (GN/BU),
harness side and the passenger side air curtain
module C711 pin 1, circuit 15S-JA51 (GN/BU),
harness side.
TIE0036514
• Are the resistances less than 5 ohms?
ൺ
Yes
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.
ൺ
No
REPAIR circuit 15S-JA51 (GN/BU) or circuit
91S-JA51 (BK/BU). REPEAT the self-test,
CLEAR the DTCs. REACTIVATE the system.
PINPOINT TEST BC : DTC B2779: PASSENGER SIDE AIR CURTAIN CIRCUIT SHORT TO GROUND
DETAILS/RESULTS/ACTIONS
TEST CONDITIONS
BC1: CHECK THE PASSENGER SIDE AIR CURTAIN CIRCUIT
WARNING: To avoid accidental deployment, the RCM backup power supply must be depleted.
Wait at least one minute after disconnecting the battery ground cable(s) before commencing
any repair or adjustment to the SRS, or any component(s) adjacent to the SRS sensors.
Failure to follow these instructions may result in personal injury.
1 Deactivate the SRS.
2 Ignition switch in position II.
3 Carry out the self-test with the simulators
installed.
• Does the system prove out correctly?
ൺ
Yes
ൺ
No
BC2: CHECK THE PASSENGER SIDE AIR CURTAIN MODULE
WARNING: Do not proceed with this test unless using the Ford approved diagnostic tool.
Failure to follow this instruction may result in personal injury.
1 Connect the test and deployment lead to the
passenger side air curtain module.
2 Select DMM specific on the Ford approved
diagnostic tool.
G401865en
501-20B-
95
Supplemental Restraint System
501-20B-
95
DIAGNOSIS AND TESTING
GO to BC3
.
GO to BC2
.
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