Ford Galaxy / Ford S-MAX. Manual — part 969

Is the resistance between 2 and 3 ohms?
Yes

REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.

No

INSTALL a new driver air bag module.
REFER to:

Driver Air Bag Module - Vehicles Built

Up To: 13-07-2009

(501-20B Supplemental

Restraint System, Removal and Installation).
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.

D3: CHECK THE CLOCKSPRING FOR OPEN CIRCUIT OR HIGH RESISTANCE

Ignition switch in position 0.

1

Disconnect RCM C2R114-A.

2

Disconnect Clockspring C2R115-A.

3

Measure the resistance between the:

RCM C2R114-A pin 3, circuit CR101A (VT/BN),
harness side and the clockspring C2R115-A
pin 1, circuit CR101A (VT/BN), harness side.
RCM C2R114-A pin 4, circuit RR101A (YE/GN),
harness side and the clockspring C2R115-A
pin 2, circuit RR101A (YE/GN), harness side.

4

Are the resistances less than 5 ohms?
Yes

INSTALL a new clockspring.
REFER to:

Clockspring

(501-20B Supplemental

Restraint System, Removal and Installation).
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.

No

REPAIR circuit CR101A (VT/BN) or circuit
RR101A (YE/GN). REPEAT the self-test, CLEAR
the DTCs. REACTIVATE the system.

PINPOINT TEST E : DTC B0001 19: DRIVER AIR BAG CROSS LINK TO
ANOTHER FIRING CIRCUIT

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

E1: CHECK THE DRIVER AIR BAG CIRCUITS

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.
NOTE: Use a digital multimeter for all electrical measurements.

Deactivate the SRS.

1

Disconnect RCM C2R114-A.

2

Disconnect Driver Air Bag Module Simulator.

3

Disconnect Inoperative Air Bag Module Simulator.

4

NOTE: Refer to the Wiring Diagrams for pin detail.

Measure the resistance between the:

RCM C2R114-A pin 3, circuit CR101A (VT/BN), harness side and the
inoperative air bag module circuits.
RCM C2R114-A pin 4, circuit RR101A (YE/GN), harness side and the
inoperative air bag module circuits.

5

Are the resistances greater than 10,000 ohms?
Yes

REPEAT the self-test, CLEAR the DTCs. REACTIVATE the system.

No

REPAIR the circuits. REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.

PINPOINT TEST F : DTC B0001 1A: DRIVER AIR BAG CIRCUIT LOW
RESISTANCE

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

F1: CHECK THE DRIVER AIR BAG 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.
NOTE: Use a digital multimeter for all electrical measurements.

Deactivate the SRS.

1

Ignition switch in position II.

2

Carry out the self-test with the simulators
installed.

3

Does the system prove out correctly?
Yes

GO to F2

.

No

GO to F3

.

F2: CHECK THE DRIVER AIR BAG 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.

Connect the test and deployment lead to the
driver air bag module.

1

Select DMM specific on the Ford approved
diagnostic tool.

2

Connect the test and deployment lead to the
Ford approved diagnostic tool.

3

Measure the resistance of the driver air bag
module squib.

4

Is the resistance between 2 and 3 ohms?
Yes

REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.

No

INSTALL a new driver air bag module.
REFER to:

Driver Air Bag Module - Vehicles Built

Up To: 13-07-2009

(501-20B Supplemental

Restraint System, Removal and Installation).
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.

F3: CHECK THE CLOCKSPRING FOR LOW RESISTANCE

Ignition switch in position 0.

1

Disconnect RCM C2R114-A.

2

Disconnect Clockspring C2R115-A.

3

Measure the resistance between the RCM
C2R114-A pin 3, circuit CR101A (VT/BN) and the

RCM C2R114-A pin 4, circuit RR101A (YE/GN),
harness side.

4

Is the resistance greater than 10,000 ohms?
Yes

INSTALL a new clockspring.
REFER to:

Clockspring

(501-20B Supplemental

Restraint System, Removal and Installation).
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.

No

REPAIR circuit CR101A (VT/BN) and circuit
RR101A (YE/GN). REPEAT the self-test, CLEAR
the DTCs. REACTIVATE the system.

PINPOINT TEST G : DTC B0004 11: DRIVER LOWER AIR BAG CIRCUIT
SHORT TO GROUND

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

G1: CHECK THE DRIVER LOWER AIR BAG 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.
NOTE: Use a digital multimeter for all electrical measurements.

Deactivate the SRS.

1

Ignition switch in position II.

2

Carry out the self-test with the simulators
installed.

3

Does the system prove out correctly?
Yes

GO to G2

.

No

GO to G3

.

G2: CHECK THE DRIVER LOWER AIR BAG MODULE

WARNING: Do not proceed with the test unless using the Ford approved diagnostic

tool. Failure to follow this instruction may result in personal injury.

Connect the test and deployment lead to the

1

driver lower air bag module.

Select DMM specific on the Ford approved
diagnostic tool.

2

Connect the test and deployment lead to the
Ford approved diagnostic tool.

3

Measure the resistance between each of the
terminals and the driver lower air bag module

casing.

4

Are the resistances greater than 10,000 ohms?
Yes

REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.

No

INSTALL a new driver lower air bag module.
REFER to:

Driver Lower Air Bag Module

(501-

20B Supplemental Restraint System, Removal
and Installation).
REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.

G3: CHECK THE DRIVER LOWER AIR BAG MODULE WIRING HARNESS FOR A SHORT
TO GROUND

Ignition switch in position 0.

1

Disconnect RCM C2R114-A.

2

Disconnect Driver Lower Air Bag Module
Simulator.

3

Measure the resistance between the:

RCM C2R114-A pin 7, circuit RR139A (YE),
harness side and ground.
RCM C2R114-A pin 8, circuit CR139A
(VT/WH), harness side and ground.

4

Are the resistances greater than 10,000 ohms?
Yes

REPEAT the self-test, CLEAR the DTCs.
REACTIVATE the system.

No

REPAIR circuit RR139A (YE) or circuit CR139A
(VT/WH). REPEAT the self-test, CLEAR the
DTCs. REACTIVATE the system.

PINPOINT TEST H : DTC B0004 12: DRIVER LOWER AIR BAG SHORT TO
BATTERY

TEST CONDITIONS

DETAILS/RESULTS/ACTIONS

H1: CHECK THE DRIVER LOWER AIR BAG WIRING HARNESS FOR A SHORT TO
BATTERY

WARNING: To avoid accidental deployment, the RCM backup power supply must be