Ford Focus RS (2011 year). Instruction - part 94

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

Y2: CHECK FOR CONTINUITY BETWEEN THE RCM AND THE PAD INDICATOR

1 Measure the resistance between the RCM C426

pin 17, circuit 91S-JA56 (BK/RD), harness side
and the PAD indicator C453 pin 2, circuit 91S-
JA56 (BK/RD), harness side.

• Is the resistance less than 5 ohms?

ൺ

Yes

E49412

GO to Y3

ൺ

REPAIR circuit 91S-JA56 (BK/RD). REPEAT
the self-test, CLEAR the DTCs. REACTIVATE
the system.

Y3: CHECK THE PAD INDICATOR SUPPLY CIRCUIT

1 Ignition switch in position II.

2 Measure the voltage between the PAD indicator

C453 pin 5, circuit 15-JA56 (GN/OG), harness
side and ground.

• Is the voltage greater than 10 volts?

ൺ

Yes

E49413

INSTALL a new PAD indicator. REPEAT the
self-test, CLEAR the DTCs. REACTIVATE the
system.

ൺ

REPAIR circuit 15-JA56 (GN/OG). REPEAT
the self-test, CLEAR the DTCs. REACTIVATE
the system.

PINPOINT TEST Z : DTC B1885: DRIVER SAFETY BELT PRETENSIONER LOW RESISTANCE

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

Z1: CHECK THE DRIVER SAFETY BELT PRETENSIONER 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.

G401865en

501-20B-

Supplemental Restraint System

501-20B-

DIAGNOSIS AND TESTING

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

3 Carry out the self-test with the simulators

installed.

• Does the system prove out correctly?

ൺ

Yes

GO to Z2.

ൺ

GO to Z3.

Z2: PROVE OUT THE DRIVER SAFETY BELT PRETENSIONER CIRCUIT

1 Ignition switch in position 0.

2 Disconnect Driver Side Underseat Occupant

Restraint Systems Simulator.

3 Connect Driver Side Underseat Occupant

Restraint Systems Electrical Connector C30.

4 Ignition switch in position II.

5 Carry out the self-test.

• Does the system prove out correctly?

ൺ

Yes

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

ൺ

INSTALL a new driver safety belt buckle and
pretensioner.

and Installation).

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

1 Ignition switch in position 0.

2 Disconnect RCM C429.

3 Disconnect Driver Side Underseat Occupant

Restraint Systems Simulator.

G401865en

501-20B-

Supplemental Restraint System

501-20B-

DIAGNOSIS AND TESTING

REFER to:

Safety Belt Buckle and Preten-

Z3: CHECK THE DRIVER SAFETY BELT PRETENSIONER CIRCUIT FOR LOW RESISTANCE

sioner

(501-20 Safety Belt System, Removal

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

4 Measure the resistance between the RCM C429

pin 17, circuit 15S-JA33 (GN/BU), harness side
and the RCM C429 pin 18, circuit 91S-JA33
(BK/BU), harness side.

• Is the resistance greater than 10,000 ohms?

ൺ

Yes

TIE0033427

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

ൺ

REPAIR circuit 15S-JA33 (GN/BU) and circuit
91S-JA33 (BK/BU). REPEAT the self-test,
CLEAR the DTCs. REACTIVATE the system.

PINPOINT TEST AA : DTC B1886: PASSENGER SAFETY BELT PRETENSIONER LOW RESISTANCE

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

AA1: CHECK THE PASSENGER SAFETY BELT PRETENSIONER CIRCUIT

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

AA2: PROVE OUT THE PASSENGER SAFETY BELT PRETENSIONER CIRCUIT

1 Ignition switch in position 0.

2 Disconnect Passenger Side Underseat Occu-

pant Restraint Systems Simulator.

3 Connect Passenger Side Underseat Occupant

Restraint Systems Electrical Connector C31.

4 Ignition switch in position II.

G401865en

501-20B-

Supplemental Restraint System

501-20B-

DIAGNOSIS AND TESTING

GO to AA2.

GO to AA3.

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

5 Carry out the self-test.

• Does the system prove out correctly?

ൺ

Yes

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

ൺ

INSTALL a new passenger safety belt buckle
and pretensioner.

and Installation).

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

1 Ignition switch in position 0.

2 Disconnect RCM C429.

3 Disconnect Passenger Side Underseat Occu-

pant Restraint Systems Simulator.

4 Measure the resistance between the RCM C429

pin 9, circuit 91S-JA34 (BK/RD), harness side
and the RCM C429 pin 10, circuit 15S-JA34
(GN/OG), harness side.

• Is the resistance greater than 10,000 ohms?

ൺ

Yes

TIE0036496

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

ൺ

REPAIR circuit 15S-JA34 (GN/OG) and circuit
91S-JA34 (BK/RD). REPEAT the self-test,
CLEAR the DTCs. REACTIVATE the system.

PINPOINT TEST AB : DTC B1890: PASSENGER AIR BAG DEACTIVATION (PAD) INDICATOR
SHORT TO BATTERY

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

AB1: CHECK THE PAD INDICATOR TO RCM CIRCUIT

1 Deactivate the SRS.

2 Disconnect PAD Indicator C453.

G401865en

501-20B-

Supplemental Restraint System

501-20B-

DIAGNOSIS AND TESTING

REFER to:

Safety Belt Buckle and Preten-

AA3: CHECK THE PASSENGER SAFETY BELT PRETENSIONER CIRCUIT FOR LOW RESISTANCE

sioner

(501-20 Safety Belt System, Removal

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

3 Disconnect RCM C426.

4 Measure the voltage between the RCM C426

pin 17, circuit 91S-JA56 (BK/RD), harness side
and ground.

• Is any voltage present?

ൺ

Yes

TIE0036497

REPAIR circuit 91S-JA56 (BK/RD). REPEAT
the self-test, CLEAR the DTCs. REACTIVATE
the system.

ൺ

INSTALL a new PAD indicator. REPEAT the
self-test, CLEAR the DTCs. REACTIVATE the
system.

PINPOINT TEST AC : DTC B1916: DRIVER AIR BAG SHORT TO BATTERY

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

AC1: CHECK THE DRIVER AIR BAG WIRING HARNESS FOR A SHORT TO BATTERY

1 Deactivate the SRS.

2 Disconnect Driver Air Bag Module Simulator.

3 Disconnect RCM C426.

4 Ignition switch in position II.

5 Measure the voltage between the:

• RCM C426 pin 3, circuit 15S-JA8 (GN/RD),

harness side and ground.

• RCM C426 pin 4, circuit 91S-JA8 (BK/OG),

harness side and ground.

TIE0020913

• Is any voltage present?

ൺ

Yes

ൺ

CONNECT the driver air bag module simulator
and the RCM C426. REPEAT the self-test,
CLEAR the DTCs. REACTIVATE the system.

AC2: CHECK THE CLOCKSPRING FOR A SHORT TO BATTERY

1 Ignition switch in position 0.

2 Disconnect Clockspring C896.

G401865en

501-20B-

Supplemental Restraint System

501-20B-

DIAGNOSIS AND TESTING

GO to AC2.

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

3 Ignition switch in position II.

4 Measure the voltage between the:

• RCM C426 pin 3, circuit 15S-JA8 (GN/RD)

harness side and ground.

• RCM C426 pin 4, circuit 91S-JA8 (BK/OG)

harness side and ground.

TIE0020913

• Is any voltage present?

ൺ

Yes

REPAIR circuit 15S-JA8 (GN/RD) or circuit
91S-JA8 (BK/OG) and circuit 15-JA10
(GN/OG). REPEAT the self-test, CLEAR the
DTCs. REACTIVATE the system.

ൺ

INSTALL a new clockspring.

Restraint System, Removal and Installation).

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

PINPOINT TEST AD : DTC B1921: AIR BAG DIAGNOSTIC MONITOR GROUND CIRCUIT OPEN

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

AD1: CHECK THE RCM GROUND CIRCUIT - PASSENGER AIR BAG ACTIVATED

NOTE: CHECK that the PAD switch is in the air bag live position before carrying out this test.

1 Deactivate the SRS.

2 Disconnect RCM C426.

3 Measure the resistance between the RCM C426

pin 18, circuit 31S-JA31 (BK/WH), harness side
and ground.

• Is the resistance less than 5 ohms?

ൺ

Yes

E51216

ൺ

GO to AD3.

G401865en

501-20B-

Supplemental Restraint System

501-20B-

DIAGNOSIS AND TESTING

REFER to:

Clockspring

(501-20 Supplemental

GO to AD2.

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

AD2: CHECK THE RCM GROUND CIRCUIT - PASSENGER AIR BAG DE-ACTIVATED

1 Operate the PAD switch to the OFF position.

2 Measure the resistance between the RCM C426

pin 21, circuit 31S-JA47 (BK/OG), harness side
and ground.

• Is the resistance less than 5 ohms?

ൺ

Yes

TIE0030702

VERIFY the customer concern.

ൺ

GO to AD3.

AD3: CHECK THE PAD SWITCH GROUND CIRCUIT

1 Disconnect PAD Switch C619.

2 Measure the resistance between the PAD

Switch C619 pin 5, circuit 31-JA47 (BK), harness
side and ground.

• Is the resistance less than 5 ohms?

ൺ

Yes

TIE0030703

INSTALL a new PAD switch.

Restraint System, Removal and Installation).

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

ൺ

REPAIR circuit 31-JA47 (BK). REPEAT the
self-test, CLEAR the DTCs. REACTIVATE the
system.

PINPOINT TEST AE : DTC B1925: PASSENGER AIR BAG SHORT TO BATTERY

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

AE1: CHECK THE PASSENGER AIR BAG CIRCUIT FOR A SHORT TO BATTERY

1 Deactivate the SRS.

2 Disconnect Passenger Air Bag Module Simu-

lator.

G401865en

501-20B-

Supplemental Restraint System

501-20B-

DIAGNOSIS AND TESTING

REFER to:

Passenger Air Bag Deactivation

(PAD) Switch

(501-20 Supplemental

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

3 Disconnect RCM C426.

4 Ignition switch in position II.

5 Measure the voltage between the:

• RCM C426 pin 9, circuit 15S-JA31 (GN/WH)

harness side and ground.

• RCM C426 pin 10, circuit 91S-JA31 (BK/WH)

harness side and ground.

• Is any voltage present?

ൺ

Yes

REPAIR circuit 15S-JA31 (GN/WH) or circuit
91S-JA31 (BK/WH). REPEAT the self-test,
CLEAR the DTCs. REACTIVATE the system.

ൺ

CONNECT the passenger air bag module
simulator and the RCM C426. REPEAT the
self-test, CLEAR the DTCs. REACTIVATE the
system.

PINPOINT TEST AF : DTC B1932: DRIVER AIR BAG OPEN CIRCUIT

DETAILS/RESULTS/ACTIONS

TEST CONDITIONS

AF1: CHECK THE DRIVER AIR BAG CIRCUIT RESISTANCE

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

GO to AF2.

ൺ

GO to AF3.

AF2: 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.

1 Connect the test and deployment lead to the

driver air bag module.

G401865en

501-20B-

Supplemental Restraint System

501-20B-

DIAGNOSIS AND TESTING

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