LEMON Manuals: Even more car manuals for everyone
Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1661 (Wiper System & Washer System) >> Diagnostic Information and Procedures >> DTC B1017 or B3970 >> Conditions for Clearing the DTC

Conditions for Clearing the DTC

WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
DTC B1017 or B3970

Step Action Value(s) Yes No
Schematic Reference:  Wiper/Washer System Schematics  
Connector End View Reference:  Wiper/Washer System Connector End Views  
1 Did you perform the Wiper/Washer System Diagnostic System Check? - Go to Step 2  Go to Diagnostic System Check - Wiper/Washer 
2
  1. Turn ON the ignition, with the engine OFF.
  2. Attempt to operate the rear wiper motor through all of the operating modes.
Does the rear wiper motor operate normally?		 - Go to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS in Wiring Systems Go to Step 3 
3
  1. Disconnect the rear wiper motor connector.
  2. Connect a test lamp from the battery positive voltage supply circuit terminal in the harness connector to a good ground.
Does the test lamp illuminate?		 - Go to Step 4  Go to Step 8 
4 Connect a test lamp from the battery positive voltage supply circuit terminal to the ground circuit terminal in the rear wiper motor harness connector.
Does the test lamp illuminate?		 - Go to Step 5  Go to Step 9 
5
  1. Connect the rear wiper motor connector.
  2. Disconnect the liftgate control module connector.
  3. Using a DMM measure the voltage at the rear wiper motor control circuit terminal in the liftgate control module harness connector.
Is the voltage within the specified values?		 10-14 V Go to Step 6  Go to Step 7 
6 Test the rear wiper motor control circuit for high resistance. Refer to CIRCUIT TESTING and WIRING REPAIRS in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 14  Go to Step 12 
7 Test the rear wiper motor control circuit for an open or short to ground. Refer to CIRCUIT TESTING and WIRING REPAIRS in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 14  Go to Step 10 
8 Repair the battery positive voltage circuit to the rear wiper motor. Refer to WIRING REPAIRS in Wiring Systems.
Did you complete the repair?		 - Go to Step 14  -
9 Repair the rear wiper motor ground circuit for an open or high resistance. Refer to WIRING REPAIRS in Wiring Systems.
Did you complete the repair?		 - Go to Step 14  -
10 Inspect for poor connections at the harness connector of the rear wiper motor. Refer to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS and CONNECTOR REPAIRS in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 14  Go to Step 11 
11 Replace the rear wiper motor. Refer to Wiper Motor Replacement - Rear .
Did you complete the replacement?		 - Go to Step 14  -
12 Inspect for poor connections at the harness connector of the liftgate control module. Refer to TESTING FOR INTERMITTENT CONDITIONS AND POOR CONNECTIONS and CONNECTOR REPAIRS in Wiring Systems.
Did you find and correct the condition?		 - Go to Step 14  Go to Step 13 
13
IMPORTANT: Perform the setup procedure for the liftgate control module.
Replace the liftgate control module. Refer to LIFT GATE CONTROL MODULE REPLACEMENT in Body Rear End.Did you complete the replacement?		 - Go to Step 14  -
14
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the system in order to verify the repair.
Does the DTC reset?		 - Go to Step 2  System OK
scientia non olet · About LEMON Manuals