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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1395 (Seat System) >> Diagnostic Information and Procedures >> DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415: Seat Motor Circuit >> Conditions for Clearing the DTC

Conditions for Clearing the DTC

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DTC B1770, B1775, B1780, B1785, B1790, B1805, or B2415 Diagnostic Test

Step Action Yes No
Schematic Reference: Driver Seat Schematics 
Connector End View Reference: Power Seat Systems Connector End Views 
1 Did you perform the Power Seat Diagnostic System Check? Go to Step 2  Go to Diagnostic System Check - Power Seat Systems 
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. Disconnect the appropriate seat adjuster motor connector.
  2. Connect a test lamp across the adjuster motor control circuit terminals in the harness connector.
  3. Operate the appropriate seat adjuster switch in both directions.
Does the test lamp illuminate when the switch is activated in both directions?
Go to Step 5  Go to Step 4 
4 Test the motor control circuits 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 9  Go to Step 6 
5 Inspect for poor connections at the adjuster motor connector. 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 9  Go to Step 7 
6 Inspect for poor connections at the harness connector of the driver 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 9  Go to Step 8 
7 Replace the appropriate adjuster motor assembly. Refer to Seat Adjuster Mechanism Replacement - Power .
Did you complete the replacement?
Go to Step 9  -
8 Replace the driver seat module. Refer to Memory Seat Control Module Replacement .
Did you complete the replacement?
Go to Step 9  -
9
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC.
Does the DTC reset?
Go to Step 3  System OK