Circuit Description
The driver door switch (DDS) checks for proper system voltage of 9.0-16.0 volts. When the DDS detects that system voltage is either below 9.0 volts or above 16.0 volts, a DTC is set.
DTC B1327 Device Power 1 Circuit Low
Conditions for Setting the DTC
| • | The DDS detects that system voltage is below 9.0 volts, or: |
| • | The DDS detects that system voltage is above 16.0 volts. |
Action Taken When the DTC Sets
Stores DTC B1327 in DDS memory.
Conditions for Clearing the DTC
| • | The DDS no longer detects DTC B1327 in DDS memory, and: |
| • | The DTC is cleared using a scan tool. |
Diagnostic Aids
| • | The Starting/Charging system may be the cause of an intermittent malfunction. |
| • | 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.
Step | Action | Yes | No |
|---|---|---|---|
Schematic Reference: Power Window 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 |
Verify that the vehicle's Starting/Charging system is operating properly. Is the Starting/Charging system operating properly? | Go to Step 3 | Go to Symptoms - Engine Electrical in Engine Electrical | |
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 |
Does the DTC reset? | Go to Step 2 | System OK |
