GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Cadillac 🢒 2004 🢒 XLR 🢒 DTC 🢒 DTC B1697, B1702, B1707, B1712, or B1717

Circuit Description

The mirror switch contacts are the mirror switch inputs for the driver door switch (DDS). These contacts allow the DDS to detect a mirror direction request. When the mirror switch is activated to the right, left, up or down position, the DDS sends a serial data message to the DDM or PDM to command the mirror to rotate in the direction selected. The DDS monitors the switch contacts to determine how long the switch has been activated. If the DDS detects that the switch contacts are activated for greater than 30 seconds, a DTC is set.

    • DTC B1697 Mirror Left-Up Control Switch Circuit Low
    • DTC B1702 Mirror Left-Down Control Switch Circuit Low
    • DTC B1707 Mirror Right-Up Control Switch Circuit Low
    • DTC B1712 Mirror Right-Down Control Switch Circuit Low
    • DTC B1717 Mirror Power Fold Control Switch Circuit Low

Conditions for Setting the DTC
    • The DDS detects that the switch contacts are activated.
    • Condition must be present for greater than 30 seconds.

Action Taken When the DTC Sets

Stores DTC B1697, B1702, B1707, B1712 or B1717 in DDS memory.

Conditions for Clearing the DTC
    • The DDS no longer detects that the switch contacts are activated for greater than 30 seconds, and:
    • The DTC is cleared using a scan tool.

Diagnostic Aids
    • The following conditions may cause an intermittent malfunction:
       - The mirror switch was activated for longer than 30 seconds.
       - The mirror switch is shorted internally.
    • If the DTC does not reset after the code is cleared, then the problem may be intermittent. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.

Test Description

The number below refers to the step number on the diagnostic table.

  1. Tests for the normal state of the mirror switch using a scan tool. The scan tool will display the normal state as Idle, and Up. Down, Express Up or Express Down when the switch is activated.

Step

Action

Yes

No

Schematic Reference: Outside Rearview Mirror Schematics and Door Control Module Schematics

Connector End View Reference: Power Door Systems Connector End Views

1

Did you perform the Vehicle Diagnostic System Check?

Go to Step 2

Go to Diagnostic System Check - Vehicle in Vehicle DTC Information

2

  1. Install a scan tool.
  2. Turn ON the ignition, with the engine OFF.
  3. With a scan tool, observe the mirror direction or mirror fold switch parameter in the DDS data list.

Does the scan tool display Idle?

Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems

Go to Step 3

3

Inspect for poor connections at the harness connector of the driver door switch. 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 5

Go to Step 4

4

Replace the driver door switch. Refer to Front Door Switch Replacement .

Did you complete the replacement?

Go to Step 5

--

5
  1. Use the scan tool in order to clear the DTCs.
  2. Operate the vehicle within the Conditions for Running the DTC as specified in the supporting text.

Does the DTC reset?

Go to Step 2

System OK