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DTC B1600 01 Mirror Motor Vertical Circuit Short to Battery DTC B1600 02 Mirror Motor Vertical Circuit Short to Ground DTC B1600 04 Mirror Motor Vertical Circuit Open DTC B1605 01 Mirror Motor Horizontal Circuit Short to Battery DTC B1605 02 Mirror Motor Horizontal Circuit Short to Ground DTC B1605 04 Mirror Motor Horizontal Circuit Open Diagnostic Fault Information Circuit/System Description The Driver Door Switch (DDS) or Passenger Door Switch (PDS) controls the mirror horizontal Circuit Short to Ground Open/High Resistance Short to Voltage Signal Performance Driver/Passenger Mirror Motor B1605 02 B1605 04 B1605 01 - Driver/Passenger Mirror B1544 02 B1544 04 B1544 01 - Driver/Passenger Mirror Motor B1600 02 B1600 04 B1600 01 -
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Mirrors - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Driver/Passenger Mirror Motor Down Control circuit. When the mirror is commanded down, Horizontal controls operate in the same manner with the Driver/Passenger Mirror Motor Conditions for Running the DTC The power mirror is being commanded left, right, up, or down. Conditions for Setting the DTC B1544 An improper voltage level is detected on the Driver/Passenger Mirror Motor Right/Down Motors B1600 An improper voltage level is detected on the Driver/Passenger Mirror Motor Down Control B1605 An improper voltage level is detected on the Driver/Passenger Mirror Motor Right Control Action Taken When the DTC Sets Mirror movement is suspended so long as the fault is present. Conditions for Clearing the DTC A current DTC will clear when the fault is no longer present. A history DTC will clear after 40 malfunction-free ignition cycles. Reference Information
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Mirrors - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Schematic Reference Outside Rearview Mirror Schematics Connector End View Reference Component Connector End Views Description and Operation Outside Mirror Description and Operation (Heated Mirrors) or Outside Mirror Electrical Information Reference Circuit Testing Connector Repairs Testing for Intermittent Conditions and Poor Connections Wiring Repairs Scan Tool References Control Module References For Scan Tool Information. Circuit/System Verification Command the left and right outside mirror to move up, down, left and right using the mirror Circuit/System Testing 1. Ignition OFF, disconnect the harness connector X3 at the appropriate door switch. 2. Ignition ON, verify a test lamp does not illuminate between the following control circuit terminals and ground: Control circuit terminal 1 Control circuit terminal 2 Control circuit terminal 6 If the test lamp illuminates, test the appropriate control circuit for a short to voltage. 3. Ignition OFF, test for infinite resistance between the following control circuits and ground:
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Mirrors - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
Control circuit terminal 1 Control circuit terminal 2 Control circuit terminal 6 If less the specified value, test the appropriate control circuit for a short to ground. 4. Test for 40-100 ohms of resistance between the control circuit terminal 1 and the control circuit terminal 6. If not within the specified range, test both control circuit for an open/high resistance. If 5. Test for 40-100 ohms of resistance between the control circuit terminal 2 and the control circuit terminal 6. If not within the specified range, test both control circuit for an open/high resistance. If 6. If all circuits test normal, replace the appropriate door switch. Repair Procedures Perform the Diagnostic Repair Verification after completing the diagnostic procedure. Outside Rearview Mirror Motor Replacement Control Module References for DDS or PDS replacement, setup, and programming DTC B1580 OR B1590 Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Diagnostic Procedure Instructions provides an overview of each diagnostic category. DTC Descriptors DTC B1580 Mirror Horizontal Position Sensor Circuit DTC B1590 Mirror Vertical Position Sensor Circuit
2008 Chevrolet Silverado 1500 2008 ACCESSORIES & EQUIPMENT Mirrors - Cab & Chassis Sierra, Cab & Chassis Silverado, Sierra & Silverado
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