The memory seat module supplies 5 Volts and low reference to the LH outside rearview mirror. The memory seat module monitors the voltage of the horizontal and vertical signal circuits of the LH outside rearview mirror to determine the position of the mirror. The normal voltage range is between 0.16 Volts and 4.6 Volts.
One of the following conditions can cause this DTC to set:
• | No mirror movement detected by the memory seat module during a memory recall command. |
• | Voltage on the horizontal or vertical signal circuit of the LH outside rearview mirror is less than 0.16 Volts or greater than 4.6 Volts. |
The automatic adjustment of the LH outside rearview mirror is disable.
The DTC will clear from current status when one of the following conditions is met:
• | Mirror movement is regained during a command from the memory seat module. |
• | Voltage is between 0.16 Volts and 4.6 Volts on the horizontal or vertical signal circuit of the LH outside rearview mirror. |
The number(s) below refer to the step number(s) on the diagnostic table.
Tests for the proper operation of the circuit in the high voltage range.
Tests for the proper operation of the circuit in the low voltage range. If the fuse in the jumper opens when you perform this test, the signal circuit is shorted to voltage.
Tests for a short to ground in the 5 volt reference circuit.
Tests for the proper operation of the circuit in the high voltage range.
Tests for the proper operation of the circuit in the low voltage range. If the fuse in the jumper opens when you perform this test, the signal circuit is shorted to voltage.
Tests for a short to ground in the 5 volt reference circuit.
Step | Action | Value(s) | Yes | No |
---|---|---|---|---|
Schematic Reference: Outside Rearview Mirror Schematics | ||||
1 | Did you perform the Door Diagnostic System Check? | -- | Go to Step 2 | |
2 |
Does the mirror move Up and Down? | -- | Go to Step 3 | Go to Step 4 |
3 | With a scan tool, command the mirror Left and Right. Does the mirror move LEFT and RIGHT? | -- | Go to Step 8 | Go to Step 6 |
4 |
Does the test lamp illuminate? | -- | Go to Step 5 | Go to Step 16 |
5 |
Does the test lamp illuminate? | -- | Go to Step 24 | Go to Step 18 |
6 |
Does the test lamp illuminate? | -- | Go to Step 7 | Go to Step 17 |
7 |
Does the test lamp illuminate? | -- | Go to Step 24 | Go to Step 18 |
8 | With a scan tool, observe the driver mirror horizontal position data parameter in the Memory Seat Module data list. Does the scan tool indicate that the driver mirror horizontal position data parameter is within the specified range? | 0.16-4.6 V | Go to Step 9 | Go to Step 10 |
9 | With a scan tool, observe the driver mirror vertical position data parameter in the Memory Seat Module data list. Does the scan tool indicate that the driver mirror vertical position data parameter is within the specified range? | 0.16-4.6 V | Go to Testing for Intermittent Conditions and Poor Connections in Wiring Systems | Go to Step 13 |
Does the scan tool indicate that the driver mirror horizontal position data parameter is greater than the specified value? | 4.6 V | Go to Step 11 | Go to Step 21 | |
Does the scan tool indicate that the driver mirror horizontal position data parameter is less than the specified value? | 0.16 V | Go to Step 12 | Go to Step 22 | |
Does the scan tool indicate that the driver mirror horizontal position data parameter is greater than the specified value? | 4.6 V | Go to Step 20 | Go to Step 19 | |
Does the scan tool indicate that the driver mirror vertical position data parameter is greater than the specified value? | 4.6 V | Go to Step 14 | Go to Step 21 | |
Does the scan tool indicate that the driver mirror vertical position data parameter is less than the specified value? | 0.16 V | Go to Step 15 | Go to Step 22 | |
Does the scan tool indicate that the driver mirror horizontal position data parameter is greater than the specified value? | 4.6 V | Go to Step 20 | Go to Step 19 | |
16 | Test the mirror down circuit of the LH outside rearview mirror 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 28 | Go to Step 25 |
17 | Test the mirror right circuit of the LH outside rearview mirror 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 28 | Go to Step 25 |
18 | Test the mirror motor control circuit of the LH outside rearview mirror 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 28 | Go to Step 25 |
19 | Test the 5 volt reference circuit of the LH outside rearview mirror for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 28 | Go to Step 25 |
20 | Test the 5 volt reference circuit of the LH outside rearview mirror for a short to voltage, a high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 28 | Go to Step 24 |
21 | Test the signal circuit of the LH outside rearview mirror for a short to ground. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 28 | Go to Step 25 |
22 | Test the signal circuit of the LH outside rearview mirror for a short to voltage, a high resistance, or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 28 | Go to Step 23 |
23 | Test the low reference circuit of the LH outside rearview mirror for a high resistance or an open. Refer to Circuit Testing and Wiring Repairs in Wiring Systems. Did you find and correct the condition? | -- | Go to Step 28 | Go to Step 25 |
24 | Inspect for poor connections at the harness connector of the LH outside rearview mirror 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 28 | Go to Step 26 |
25 | Inspect for poor connections at the harness connector of the Memory Seat 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 28 | Go to Step 27 |
26 | Replace the LH outside rearview mirror motor. Refer to Outside Rearview Mirror Motor Replacement . Did you complete the replacement? | -- | Go to Step 28 | -- |
27 |
Important: Perform the set up procedure for the Memory Seat Module. Replace the Memory Seat Module. Refer to Memory Seat Control Module Replacement in Seats. Did you complete the replacement? | -- | Go to Step 28 | -- |
28 |
Does the DTC reset? | -- | Go to Step 2 | System OK |