Adjustable Pedal System: Diagnosis Cadillac SRX II facelift

Diagnostic Code Index

DIAGNOSTIC CODE INDEX

Diagnostic Instructions

1. Perform the «Diagnostic System Check - Vehicle»(ref-644698-S03753758692014072300000) prior to using this diagnostic procedure.
2. Review «Strategy Based Diagnosis»(ref-644698-S14897089332014072300000) for an overview of the diagnostic approach.
3. «Diagnostic Procedure Instructions»(ref-644698-S14982480842014072300000) provides an overview of each diagnostic category.

Diagnostic Fault Information

Conditions for Running the DTC

The memory seat control module must be powered.

Conditions for Setting the DTC

The forward and rearward switch signal circuits are active at the same time.

Action Taken When the DTC Sets

Adjustable pedals operation will be disabled.

Conditions for Clearing the DTC

1. The current DTC will clear and set the code to history 3 s after the fault is no longer present and the power mode changes to OFF then back to ACC or RUN.
2. The history DTC will clear after 50 consecutive fault-free ignition cycles have occurred.

Circuit/System Testing

1. Ignition OFF and all vehicle systems OFF, scan tool disconnected, disconnect the harness connector at the S1 Adjustable Pedal Control Switch. It may take up to 2 min for all vehicle systems to power down.
2. Test for less than 10 ohms between the ground circuit terminal 1 and ground. If 10 ohms or greater Ignition OFF. Test for less than 2 ohms in the ground circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, repair the open/high resistance in the ground connection. If less than 10 ohms
3. Ignition ON.
4. Verify the scan tool Adjustable Pedal Control Switch parameter is Inactive. If not Inactive Ignition OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module. Test for infinite resistance between the signal circuit terminal 3 for a short to ground. If less than infinite resistance, repair the short to ground on the circuit. If infinite resistance, replace the K40 Seat Memory Control Module. Test for infinite resistance between the signal circuit terminal 5 for a short to ground. If less than infinite resistance, repair the short to ground on the circuit. If infinite resistance, replace the K40 Seat Memory Control Module. If Inactive
5. Install a 3 A fused jumper wire between the signal circuit terminal 3 and the ground.
6. Verify the scan tool Adjustable Pedals Direction Command parameter is Forward. If not Forward Ignition OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module. Test for less than 2 ohms in the signal circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If Forward
7. Install a 3 A fused jumper wire between the signal circuit terminal 5 and ground.
8. Verify the scan tool Adjustable Pedals Direction Command parameter is Rearward. If not Rearward Ignition OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module. Test for less than 2 ohms in the signal circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If Rearward
9. Test or replace the S1 Adjustable Pedal Control Switch.

Component Testing

1. Ignition OFF, disconnect the harness connector at the S1 Adjustable Pedal Control Switch. It may take up to 2 m for all vehicle systems to power down.
2. Test for infinite resistance between the signal terminal 3 and the ground terminal 1 with the switch in the open position. If less than infinite resistance, replace the S1 Adjustable Pedal Control Switch. If infinite resistance
3. Test for less than 2 ohms between the signal terminal 3 and ground terminal 1 with the switch in the closed position. If 2 ohms or greater, replace the S1 Adjustable Pedal Control Switch. If less than 2 ohms
4. Test for infinite resistance between the signal terminal 5 and the ground terminal 1 with the switch in the open position. If less than infinite resistance, replace the S1 Adjustable Pedal Control Switch. If infinite resistance
5. Test for less than 2 ohms between the signal circuit terminal 5 and ground terminal 1 with the switch in the closed position. If 2 ohms or greater, replace the S1 Adjustable Pedal Control Switch. If less than 2 ohms
6. All OK.

1. Perform the «Diagnostic System Check - Vehicle»(ref-644698-S03753758692014072300000) prior to using this diagnostic procedure.
2. Review «Strategy Based Diagnosis»(ref-644698-S14897089332014072300000) for an overview of the diagnostic approach.
3. «Diagnostic Procedure Instructions»(ref-644698-S14982480842014072300000) provides an overview of each diagnostic category.

The memory seat control module must be powered.

B3606 01

The analog input from the adjustable brake pedal position sensor is greater than 4.75 V, the sensor will be considered out of range and the memory seat control module will set this DTC.

B3606 06

The analog input from the adjustable brake pedal position sensor is less than 0.22 V, the sensor will be considered out of range and the memory seat control module will set this DTC.

B3606 5A

This DTC will set if the memory seat control module is controlling the motor in one direction and the adjustable brake pedal position sensor is tracking the motor in the opposite direction. The sensor is either mounted or wired incorrectly, or the polarity of the motor control circuits are reversed.

B3606 61

This DTC will set if the memory seat control module is driving the adjustable pedal motor but does not see a voltage change from the adjustable brake pedal position sensor.

Memory recall functions will be suspended.

1. The current DTC will become a history DTC when the fault is no longer present and the ignition has been cycled.
2. The history DTC will clear after 50 consecutive fault-free ignition cycles have occurred.

B3606 01 and B3606 06

1. Ignition OFF, scan tool disconnected, all doors closed, all accessories OFF, open and close drivers door, disconnect the harness connector at the M16 Adjustable Pedal Assembly. It may take up to 2 m for all vehicle systems to power down.
2. Test for less than 10 ohms between the low reference circuit terminal 4 and ground. If 10 ohms or greater Ignition OFF, disconnect the X5 harness connector at the K40 Seat Memory Control Module. Test for less than 2 ohms in the low reference circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If less than 10 ohms
3. Ignition ON.
4. Test for 4.8-5.2 V between the 5 V reference circuit terminal 6 and ground. If 4.8 V or less Ignition OFF, disconnect the X5 harness connector at the K40 Seat Memory Control Module. Test for infinite resistance between the 5 V reference circuit and ground. If less than infinite resistance, repair the short to ground on the circuit. If infinite resistance Test for less than 2 ohms in the 5 V reference circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If greater than 5.2 V Ignition OFF, disconnect the X5 harness connector at the K40 Seat Memory Control Module, ignition ON. Test for less than 1 V between the 5 V reference circuit and ground. If 1 V or greater, repair the short to voltage on the circuit. If less than 1 V, replace the K40 Seat Memory Control Module.
5. Verify the scan tool Adjustable Pedals Horizontal Position parameter is less than 0.45 V. If 0.45 V or greater Ignition OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module, ignition ON. Test for less than 1 V between the signal circuit terminal 5 and ground. If 1 V or greater, repair the short to voltage on the circuit. If less than 1 V, replace the K40 Seat Memory Control Module. If less than 0.45 V
6. Install a 3 A fused jumper wire between the signal circuit terminal 5 and the 5 V reference circuit terminal 6.
7. Verify the scan tool Adjustable Pedals Horizontal Position parameter is greater than 4.75 V. If 4.75 V or less Ignition OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module, ignition ON. Test for less than 2 ohms in the signal circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If greater than 4.75 V
8. Test or replace the K40 Seat Memory Control Module.

B3606 61

1. Ignition ON, verify that no other adjustable pedal DTCs are present. If other adjustable pedal DTCs are set, diagnose those DTCs first. If no other adjustable pedal DTCs are set
2. Ignition OFF, disconnect the harness connector at the M16 Adjustable Pedal Assembly.
3. Connect a test lamp between the motor control circuits terminal 2 and terminal 3.
4. Ignition ON, verify the test lamp illuminates while commanding the adjustable pedals to move in both directions with a scan tool. If the test lamp does not illuminate Ignition OFF, remove the test lamp, disconnect the X4 harness connector at the K40 Seat Memory Control Module, ignition ON. Test for less than 2 ohms in each of the control circuits end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If the test lamp illuminates
5. Test or replace the M16 Adjustable Pedal Assembly.

1. Perform the «Diagnostic System Check - Vehicle»(ref-644698-S03753758692014072300000) prior to using this diagnostic procedure.
2. Review «Strategy Based Diagnosis»(ref-644698-S14897089332014072300000) for an overview of the diagnostic approach.
3. «Diagnostic Procedure Instructions»(ref-644698-S14982480842014072300000) provides an overview of each diagnostic category.

The memory seat control module must be powered.

This DTC will set if the pedals actuator softstops are not learned.

Manual and memory adjustable pedals operation will be disabled.

1. The current DTC will become a history DTC when the fault is no longer present and the ignition has been cycled.
2. The history DTC will clear after 50 consecutive fault-free ignition cycles have occurred.

1. Ignition ON, verify that no other adjustable pedal DTCs are present. If other adjustable pedal DTCs are set, refer to «Diagnostic Trouble Code (DTC) List - Vehicle»(ref-644698-S15398667192014072300000) to diagnose those DTCs first. If no other adjustable pedal DTCs are set
2. Observe the scan tool Adjustable Pedals Softstop Learn Status parameter. The parameter reading should be Learned. If not the specified value, perform the scan tool Learn Adjustable Pedals Softstops procedure. Refer to «Adjustable Pedal System Calibration»(ref-644743-S32166304352014072300000) If the DTC resets
3. Replace the K40 Memory Seat Control Module.

Visual/Physical Inspection

1. Inspect for aftermarket devices which could affect the operation of the adjustable pedal system. Refer to «Checking Aftermarket Accessories»(ref-644726-S15551717792014072300000) .
2. Inspect the adjuster cables for proper connections or damage.
3. Inspect the adjuster screws and slides for damage or conditions which may obstruct movement.

Symptom List

Refer to Adjustable Pedals Malfunction in order to diagnose the symptom.

1. Perform the «Diagnostic System Check - Vehicle»(ref-644698-S03753758692014072300000) prior to using this diagnostic procedure.
2. Review «Strategy Based Diagnosis»(ref-644698-S14897089332014072300000) for an overview of the diagnostic approach.
3. «Diagnostic Procedure Instructions»(ref-644698-S14982480842014072300000) provides an overview of each diagnostic category.

Adjustable Pedal Switch Circuit Malfunction

1. Ignition OFF and all vehicle systems OFF, scan tool disconnected, disconnect the harness connector at the S1 Adjustable Pedal Control Switch. It may take up to 2 min for all vehicle systems to power down.
2. Test for less than 10 ohms between the ground circuit terminal 1 and ground. If 10 ohms or greater Ignition OFF. Test for less than 2 ohms in the ground circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, repair the open/high resistance in the ground connection. If less than 10 ohms
3. Ignition ON.
4. Verify the scan tool Adjustable Pedal Control Switch parameter is Inactive. If not Inactive Ignition OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module. Test for infinite resistance between the signal circuit terminal 3 for a short to ground. If less than infinite resistance, repair the short to ground on the circuit. If infinite resistance, replace the K40 Seat Memory Control Module. Test for infinite resistance between the signal circuit terminal 5 for a short to ground. If less than infinite resistance, repair the short to ground on the circuit. If infinite resistance, replace the K40 Seat Memory Control Module. If Inactive
5. Install a 3 A fused jumper wire between the signal circuit terminal 3 and the ground.
6. Verify the scan tool Adjustable Pedals Direction Command parameter is Forward. If not Forward Ignition OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module. Test for less than 2 ohms in the signal circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If Forward
7. Install a 3 A fused jumper wire between the signal circuit terminal 5 and ground.
8. Verify the scan tool Adjustable Pedals Direction Command parameter is Rearward. If not Rearward Ignition OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module. Test for less than 2 ohms in the signal circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If Rearward
9. Test or replace the S1 Adjustable Pedal Control Switch.

Adjustable Pedal Position Sensor Circuit Malfunction

1. Ignition OFF, scan tool disconnected, all doors closed, all accessories OFF, open and close drivers door, disconnect the harness connector at the M16 Adjustable Pedal Assembly. It may take up to 2 m for all vehicle systems to power down.
2. Test for less than 10 ohms between the low reference circuit terminal 4 and ground. If 10 ohms or greater Ignition OFF, disconnect the X5 harness connector at the K40 Seat Memory Control Module. Test for less than 2 ohms in the low reference circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If less than 10 ohms
3. Ignition ON.
4. Test for 4.8-5.2 V between the 5 V reference circuit terminal 6 and ground. If 4.8 V or less Ignition OFF, disconnect the X5 harness connector at the K40 Seat Memory Control Module. Test for infinite resistance between the 5 V reference circuit and ground. If less than infinite resistance, repair the short to ground on the circuit. If infinite resistance Test for less than 2 ohms in the 5 V reference circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If greater than 5.2 V Ignition OFF, disconnect the X5 harness connector at the K40 Seat Memory Control Module, ignition ON. Test for less than 1 V between the 5 V reference circuit and ground. If 1 V or greater, repair the short to voltage on the circuit. If less than 1 V, replace the K40 Seat Memory Control Module.
5. Verify the scan tool Adjustable Pedals Horizontal Position parameter is less than 0.45 V. If 0.45 V or greater Ignition OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module, ignition ON. Test for less than 1 V between the signal circuit terminal 5 and ground. If 1 V or greater, repair the short to voltage on the circuit. If less than 1 V, replace the K40 Seat Memory Control Module. If less than 0.45 V
6. Install a 3 A fused jumper wire between the signal circuit terminal 5 and the 5 V reference circuit terminal 6.
7. Verify the scan tool Adjustable Pedals Horizontal Position parameter is greater than 4.75 V. If 4.75 V or less Ignition OFF, disconnect the X6 harness connector at the K40 Seat Memory Control Module, ignition ON. Test for less than 2 ohms in the signal circuit end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If greater than 4.75 V
8. Test or replace the K40 Seat Memory Control Module.

Adjustable Pedal Motor Circuit Malfunction

1. Ignition ON, verify that no other adjustable pedal DTCs are present. If other adjustable pedal DTCs are set, diagnose those DTCs first. If no other adjustable pedal DTCs are set
2. Ignition OFF, disconnect the harness connector at the M16 Adjustable Pedal Assembly.
3. Connect a test lamp between the motor control circuits terminal 2 and terminal 3.
4. Ignition ON, verify the test lamp illuminates while commanding the adjustable pedals to move in both directions with a scan tool. If the test lamp does not illuminate Ignition OFF, remove the test lamp, disconnect the X4 harness connector at the K40 Seat Memory Control Module, ignition ON. Test for less than 2 ohms in each of the control circuits end to end. If 2 ohms or greater, repair the open/high resistance in the circuit. If less than 2 ohms, replace the K40 Seat Memory Control Module. If the test lamp illuminates
5. Test or replace the M16 Adjustable Pedal Assembly.