Adjustable Pedals Inoperative

2006 Cadillac SRX 4.6 A, AWDSECTION Adjustable Pedals Inoperative
Adjustable Pedals Inoperative

Step Action Yes No
Schematic Reference: Adjustable Pedals Schematics 
Connector End View Reference: Adjustable Pedals Connector End Views 
1 Did you perform the Diagnostic System Check - Vehicle? Go to Step 2  Go to Diagnostic System Check - Vehicle in Vehicle DTC Information
2 Verify the fault is present.
Does the system operate normally?
Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems Go to Step 3 
3
  1. Install a scan tool.
  2. Display the Adjustable Pedal Switch parameters in the memory seat module Inputs data list.
  3. Operate the adjustable pedal switch in both directions
Does the scan tool display the correct switch status in relation to the actual switch position?
Go to Step 7  Go to Step 4 
4
  1. Disconnect the adjustable pedal switch connector.
  2. Connect a test lamp from the battery voltage supply circuit terminal in the switch connector to ground.
Does the test lamp illuminate?
Go to Step 5  Go to Step 10 
5 Connect a fused jumper wire from the battery voltage supply circuit terminal to the adjustable pedal forward switch signal circuit terminal in the switch harness connector.
Does the scan tool display the adjustable pedal forward switch as active?
Go to Step 6  Go to Step 8 
6 Connect a fused jumper wire from the battery voltage supply circuit terminal to the adjustable pedal rearward switch signal circuit terminal in the switch harness connector.
Does the scan tool display the adjustable pedal rearward switch as active?
Go to Step 12  Go to Step 8 
7
  1. Disconnect the LH instrument panel (I/P) to body harness inline connector.
  2. Remove the adjustable pedal motor control circuits form the body harness connector half.
  3. Connect the LH I/P to body harness inline connector.
  4. Using a scan tool clear the memory seat module DTCs.
  5. Connect a test lamp across the motor control circuit terminals.
  6. IMPORTANT: If the pedals are at one of the stops the memory seat module will not attempt to activate the motor in that direction.
  7. Operate the adjustable pedal switch in both directions.
Does the test lamp illuminate while the switch is in the forward and rearward directions?
Go to Step 11  Go to Step 9 
8 Test the adjustable pedal switch signal circuit for an open or short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 18  Go to Step 14 
9 Test the adjustable pedal motor control circuits to the memory seat module for an open or short to ground. Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 18  Go to Step 14 
10 Repair the battery voltage supply circuit to the adjustable pedal switch for an open or short to ground.
Is the repair complete?
Go to Step 18  -
11 Test the motor control circuits in the I/P harness for the following conditions:
  • An open
  • A short to ground
  • A short to voltage

Refer to Circuit Testing and to Wiring Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 18  Go to Step 13 
12 Inspect for poor connections at the adjustable pedal switch. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 18  Go to Step 15 
13 Inspect for poor connections at the adjustable pedal motor. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 18  Go to Step 16 
14 Inspect for poor connections at the memory seat module. Refer to Testing for Intermittent Conditions and Poor Connections and to Connector Repairs in Wiring Systems.
Did you find and correct the condition?
Go to Step 18  Go to Step 17 
15 Replace the adjustable pedal switch.
Is the repair complete?
Go to Step 18  -
16 Replace the adjustable pedal motor. Refer to Adjustable Brake Pedal Motor Replacement .
Is the repair complete?
Go to Step 18  -
17 Replace the memory seat module. Refer to Control Module References in Computer/Integrating Systems for replacement, setup, and programming.
Is the repair complete?
Go to Step 18  -
18 Operate the system in order to verify the repair.
Did you correct the condition?
System OK Go to Step 3 
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • You smell fuel, burning insulation, or see smoke.
  • Brakes feel soft, pull hard to one side, or make grinding noises.
  • The engine overheats, stalls repeatedly, or misfires under load.
  • You are missing required tools, torque specs, or safe lifting equipment.
  • You are not confident in the next step or safety outcome.