DTC B2276 -- Door Lock Motor/Mirror Heater -- Fault --
DCM-left
Step
| Action
| Value(s)
| Yes
| No
|
1
| Does the left door LOCK and UNLOCK correctly?
|
|
Go to Step 2
|
Go to Step 8
|
2
|
- Disconnect the left heated outside rearview mirror connector C1.
- Measure the voltage between the left heated outside rearview mirror
connector C1 terminal E and ground.
- Turn ON the rear defogger.
Is the voltage within the specified range?
| 10.0-14.0V
|
Go to Step 3
|
Go to Step 5
|
3
|
- Turn ON the rear defogger.
- Measure the voltage between the left heated outside rearview mirror
connector C1 terminal B and terminal E.
Is the voltage within the specified range?
| 10.0-14.0V
|
Go to Step 4
|
Go to Step 7
|
4
| Replace the left heated outside rearview mirror.
Is the replacement complete?
|
| Recheck the System Operation
|
|
5
| Using a scan tool check if the left door is receiving the
command to turn ON the left heated outside rearview mirror
Is the command being received?
|
|
Go to Step 6
| Recheck the System Operation
|
6
|
- Check for an open in CKT 267 between the left heated outside rearview
mirror connector C1 terminal E and left Door Control Module Connector C3 terminal
B.
- If OK, replace the left Door Control Module (DCM).
Is the replacement completed?
|
| Recheck the System Operation
|
|
7
|
- Check for an open in CKT 450 between the left heated outside rearview
mirror connector C1 terminal B and the left Door Control Module (DCM) connector
C3 terminal F.
- If OK, Replace the left Door Control Module (DCM).
Is the repair complete?
|
| Recheck the System Operation
|
|
8
| Is there any mechanical binding?
|
| Recheck the System Operation
|
Go to Step 9
|
9
|
- Disconnect the left door lock connector C3.
- Measure the voltage between the left door lock connector C3 terminal
A and terminal B.
- Press the left door lock switch to LOCK and UNLOCK.
Is the volage in the specified range in LOCK and UNLOCK?
| 10.0-14.0V
|
Go to Step 10
|
Go to Step 11
|
10
| Replace the left door lock.
Is the replacement complete?
|
| Recheck the System Operation
|
|
11
|
- Check for an open in CKT 294 or CKT 295 between the left door
lock and the left Door Control Module (DCM).
- If OK, replace the left Door Control Module (DCM).
Is the repair complete?
|
| Recheck the System Operation
|
|
