2010 Cadillac CTS Sedan AWD V6-3.6L Page 87

2010 Cadillac CTS Sedan AWD V6-3.6L Page 87

瀚慖f not the specified value, test the control circuit for a short to ground.

10. Test for less than 1 ohm between the following high control circuit terminals.

* I/P module Stage 1 terminal 1 X1 and SDM terminal 5

* I/P module Stage 2 terminal 2 X2 and SDM terminal 8

* Driver roof rail module terminal A and SDM terminal 17 X2

* Passenger roof rail module terminal A and SDM terminal 53 X2

* Left side impact module terminal 2 and SDM terminal 13 X2

* Right side impact module terminal 2 and SDM terminal 16 X2

* Driver seat belt pretensioner terminal 1 and SDM terminal 9 X2

* Passenger seat belt pretensioner terminal 1 and SDM terminal 12 X2

瀚慖f greater than the specified range, test the control circuit for an open/high resistance.

11. Test for less than 1 ohm between the following low control circuit terminals.

* I/P module Stage 1 terminal 2 X1 and SDM terminal 6

* I/P module Stage 2 terminal 1 X2 and SDM terminal 7

* Driver roof rail module terminal B and SDM terminal 18 X2

* Passenger roof rail module terminal B and SDM terminal 54 X2

* Left side impact module terminal 1 and SDM terminal 14 X2

* Right side impact module terminal 1 and SDM terminal 15 X2

* Driver seat belt pretensioner terminal 2 and SDM terminal 10 X2

* Passenger seat belt pretensioner terminal 2 and SDM terminal 11 X2

瀚慖f greater than the specified range, test the control circuit for an open/high resistance.

12. If all circuits test normal, replace the SDM.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Instrument Panel Inflatable Restraint Module Replacement (See: Restraints and Safety Systems/Air Bag Systems/Air Bag/Service and

Repair/Removal and Replacement/Instrument Panel Inflatable Restraint Module Replacement)

* Roof Side Rail Inflatable Restraint Module Replacement (See: Restraints and Safety Systems/Air Bag Systems/Air Bag/Service and

Repair/Removal and Replacement/Roof Side Rail Inflatable Restraint Module Replacement)

* Seat Belt Retractor Pretensioner Replacement - Front (W2E) (See: Restraints and Safety Systems/Seat Belt Systems/Seat Belt

Tensioner/Service and Repair/Removal and Replacement/Seat Belt Retractor Pretensioner Replacement - Front (W2E))Seat Belt Retractor

Pretensioner Replacement - Front (AQ9) (See: Restraints and Safety Systems/Seat Belt Systems/Seat Belt Tensioner/Service and

Repair/Removal and Replacement/Seat Belt Retractor Pretensioner Replacement - Front (AQ9))

* SIR/SRS Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Wiring Repairs/SIR/SRS Wiring Repairs)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for SDM replacement, setup, and programming

B0015

DTC B0014-B0045

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provides an overview of each diagnostic category.

DTC Descriptors

DTC B0014 01

- Driver Side Deployment Loop Short to Battery - Seat Air Bag

DTC B0014 02

- Driver Side Deployment Loop Short to Ground - Seat Air Bag

DTC B0014 04

- Driver Side Deployment Loop Open Circuit - Seat Air Bag

2010 Cadillac CTS Sedan AWD V6-3.6L Page 123

2010 Cadillac CTS Sedan AWD V6-3.6L Page 123

瀚慖f not the specified value, test the control circuit for a short to ground.

10. Test for less than 1 ohm between the following high control circuit terminals.

* I/P module Stage 1 terminal 1 X1 and SDM terminal 5

* I/P module Stage 2 terminal 2 X2 and SDM terminal 8

* Driver roof rail module terminal A and SDM terminal 17 X2

* Passenger roof rail module terminal A and SDM terminal 53 X2

* Left side impact module terminal 2 and SDM terminal 13 X2

* Right side impact module terminal 2 and SDM terminal 16 X2

* Driver seat belt pretensioner terminal 1 and SDM terminal 9 X2

* Passenger seat belt pretensioner terminal 1 and SDM terminal 12 X2

瀚慖f greater than the specified range, test the control circuit for an open/high resistance.

11. Test for less than 1 ohm between the following low control circuit terminals.

* I/P module Stage 1 terminal 2 X1 and SDM terminal 6

* I/P module Stage 2 terminal 1 X2 and SDM terminal 7

* Driver roof rail module terminal B and SDM terminal 18 X2

* Passenger roof rail module terminal B and SDM terminal 54 X2

* Left side impact module terminal 1 and SDM terminal 14 X2

* Right side impact module terminal 1 and SDM terminal 15 X2

* Driver seat belt pretensioner terminal 2 and SDM terminal 10 X2

* Passenger seat belt pretensioner terminal 2 and SDM terminal 11 X2

瀚慖f greater than the specified range, test the control circuit for an open/high resistance.

12. If all circuits test normal, replace the SDM.

Repair Instructions

Perform the Diagnostic Repair Verification (See: Verification Tests) after completing the diagnostic procedure.

* Instrument Panel Inflatable Restraint Module Replacement (See: Restraints and Safety Systems/Air Bag Systems/Air Bag/Service and

Repair/Removal and Replacement/Instrument Panel Inflatable Restraint Module Replacement)

* Roof Side Rail Inflatable Restraint Module Replacement (See: Restraints and Safety Systems/Air Bag Systems/Air Bag/Service and

Repair/Removal and Replacement/Roof Side Rail Inflatable Restraint Module Replacement)

* Seat Belt Retractor Pretensioner Replacement - Front (W2E) (See: Restraints and Safety Systems/Seat Belt Systems/Seat Belt

Tensioner/Service and Repair/Removal and Replacement/Seat Belt Retractor Pretensioner Replacement - Front (W2E))Seat Belt Retractor

Pretensioner Replacement - Front (AQ9) (See: Restraints and Safety Systems/Seat Belt Systems/Seat Belt Tensioner/Service and

Repair/Removal and Replacement/Seat Belt Retractor Pretensioner Replacement - Front (AQ9))

* SIR/SRS Wiring Repairs (See: Testing and Inspection/Component Tests and General Diagnostics/Wiring Repairs/SIR/SRS Wiring Repairs)

* Control Module References (See: Testing and Inspection/Programming and Relearning) for SDM replacement, setup, and programming

B0033

DTC B0014-B0045

Diagnostic Instructions

* Perform the Diagnostic System Check - Vehicle (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic System

Check - Vehicle) prior to using this diagnostic procedure.

* Review Strategy Based Diagnosis (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Strategy Based Diagnosis) for an

overview of the diagnostic approach.

* Diagnostic Procedure Instructions (See: Testing and Inspection/Initial Inspection and Diagnostic Overview/Diagnostic Procedure

Instructions) provides an overview of each diagnostic category.

DTC Descriptors

DTC B0014 01

- Driver Side Deployment Loop Short to Battery - Seat Air Bag

DTC B0014 02

- Driver Side Deployment Loop Short to Ground - Seat Air Bag

DTC B0014 04

- Driver Side Deployment Loop Open Circuit - Seat Air Bag

2010 Cadillac Truck SRX AWD V6-3.0L Page 299

2010 Cadillac Truck SRX AWD V6-3.0L Page 299

瀚慖f the test lamp does not illuminate and the circuit fuse is open, test the control circuit for a short to ground.

4. If all circuits test normal, replace the E4G headlamp-left low beam.

Right Low Beam Inoperative

1. Ignition OFF, disconnect the X120 inline harness connector at the E4H headlamp-right low beam.

2. Connect a test lamp between the control circuit terminal G and ground.

3. Ignition ON, command the Low Beam Lamps ON with a scan tool, the test should illuminate while commanding the headlamp ON.

瀚慖f the test lamp does not illuminate and the circuit fuse is good, test the control circuit for an open/high resistance.

瀚慖f the test lamp does not illuminate and the circuit fuse is open, test the control circuit for a short to ground.

4. If all circuits test normal, replace the E4H headlamp-right low beam.

Headlamps Malfunction

1. Ignition OFF, disconnect the KR49 headlamp low beam relay.

2. Ignition ON, verify that a test lamp does not illuminate between the control circuit terminal 30 and ground.

瀚慖f the test lamp illuminates, test the control circuit for a short to voltage

3. Verify that a test lamp illuminates between the B+ circuit terminal 87 and ground.

瀚慖f the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.e

4. Verify that a test lamp illuminates between the B+ circuit terminal 86 and ground.

瀚慖f the test lamp does not illuminate, test the B+ circuit for an open/high resistance.

5. Connect a 15A fused jumper wire between the B+ circuit terminal 87 and the control circuit terminal 30. Verify the E4G headlamp-left low

beam and the E4H headlamp-right low beam are activated.

瀚慖f the E4G headlamp-left low beam and the E4H headlamp-right low beam do not activate, test the control circuit for a short to ground or

an open/high resistance.

6. Connect a test lamp between the B+ circuit terminal 86 and the control circuit terminal 85.

7. Ignition ON, command the Low Beam Lamps ON and OFF with a scan tool. The test lamp should turn ON and OFF when changing between

the commanded states.

瀚慖f the test lamp is always ON, test the control circuit for a short to ground. If the circuit tests normal, replace the K9 BCM.

瀚慖f the test lamp is always OFF, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace

the K9 BCM.

8. If all circuits test normal, test or replace the KR49 headlamp low beam relay.

Component Testing

Relay Test

1. Ignition OFF, disconnect the KR49 headlamp low beam relay.

2. Test for 60-180 ohm between terminals 85 and 86.

瀚慖f not within the specified range, replace the KR49 headlamp low beam relay.

3. Test for infinite resistance between the following terminals:

* 30 and 86

* 30 and 87

* 30 and 85

* 85 and 87

瀚慖f not the specified value, replace the KR49 headlamp low beam relay.

4. Install a 15A fused jumper wire between relay terminal 85 and 12 V. Install a jumper wire between relay terminal 86 and ground. Test for

less than 2 ohm between terminals 30 and 87.

瀚慖f greater than the specified range, replace the KR49 headlamp low beam relay.

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 299

2010 Cadillac Truck SRX AWD V6-2.8L Turbo Page 299

瀚慖f the test lamp does not illuminate and the circuit fuse is open, test the control circuit for a short to ground.

4. If all circuits test normal, replace the E4G headlamp-left low beam.

Right Low Beam Inoperative

1. Ignition OFF, disconnect the X120 inline harness connector at the E4H headlamp-right low beam.

2. Connect a test lamp between the control circuit terminal G and ground.

3. Ignition ON, command the Low Beam Lamps ON with a scan tool, the test should illuminate while commanding the headlamp ON.

瀚慖f the test lamp does not illuminate and the circuit fuse is good, test the control circuit for an open/high resistance.

瀚慖f the test lamp does not illuminate and the circuit fuse is open, test the control circuit for a short to ground.

4. If all circuits test normal, replace the E4H headlamp-right low beam.

Headlamps Malfunction

1. Ignition OFF, disconnect the KR49 headlamp low beam relay.

2. Ignition ON, verify that a test lamp does not illuminate between the control circuit terminal 30 and ground.

瀚慖f the test lamp illuminates, test the control circuit for a short to voltage

3. Verify that a test lamp illuminates between the B+ circuit terminal 87 and ground.

瀚慖f the test lamp does not illuminate, test the B+ circuit for a short to ground or an open/high resistance.e

4. Verify that a test lamp illuminates between the B+ circuit terminal 86 and ground.

瀚慖f the test lamp does not illuminate, test the B+ circuit for an open/high resistance.

5. Connect a 15A fused jumper wire between the B+ circuit terminal 87 and the control circuit terminal 30. Verify the E4G headlamp-left low

beam and the E4H headlamp-right low beam are activated.

瀚慖f the E4G headlamp-left low beam and the E4H headlamp-right low beam do not activate, test the control circuit for a short to ground or

an open/high resistance.

6. Connect a test lamp between the B+ circuit terminal 86 and the control circuit terminal 85.

7. Ignition ON, command the Low Beam Lamps ON and OFF with a scan tool. The test lamp should turn ON and OFF when changing between

the commanded states.

瀚慖f the test lamp is always ON, test the control circuit for a short to ground. If the circuit tests normal, replace the K9 BCM.

瀚慖f the test lamp is always OFF, test the control circuit for a short to voltage or an open/high resistance. If the circuit tests normal, replace

the K9 BCM.

8. If all circuits test normal, test or replace the KR49 headlamp low beam relay.

Component Testing

Relay Test

1. Ignition OFF, disconnect the KR49 headlamp low beam relay.

2. Test for 60-180 ohm between terminals 85 and 86.

瀚慖f not within the specified range, replace the KR49 headlamp low beam relay.

3. Test for infinite resistance between the following terminals:

* 30 and 86

* 30 and 87

* 30 and 85

* 85 and 87

瀚慖f not the specified value, replace the KR49 headlamp low beam relay.

4. Install a 15A fused jumper wire between relay terminal 85 and 12 V. Install a jumper wire between relay terminal 86 and ground. Test for

less than 2 ohm between terminals 30 and 87.

瀚慖f greater than the specified range, replace the KR49 headlamp low beam relay.