Pinpoint Test C : No Power In On: Notes
Refer to Power Distribution/BCM for schematic and connector information.
Normal Operation and Fault Conditions
REFER to: Steering Wheel and Column Electrical Components - System Operation and Component Description .
BCM DTC Fault Trigger Conditions
| DTC | Description | Fault Trigger Conditions |
|---|---|---|
| B10E7:12 | Ignition On Relay: Circuit Short to Battery | Sets when the BCM detects voltage from the ignition relay output circuit when it has not activated the ignition relay. |
| B10E7:14 | Ignition On Relay: Circuit Short to Ground or Open | Sets when the BCM detects no voltage from the ignition relay output circuit when it has activated the ignition relay. |
| B10FF:12 | Ignition Control: Circuit Short To Battery | Sets when the BCM detects a short to voltage from the ignition relay control circuit. When this DTC sets, the control side of the ignition relay is disabled via the Field-Effect Transistor (FET). Once the condition that caused the DTC to set is repaired, the ignition must be switched off and then back on for the system to resume normal operation. |
| B10FF:14 | Ignition Control: Circuit Short To Ground or Open | Sets when the BCM detects no voltage from the ignition relay control circuit. When this DTC sets, the control side of the ignition relay is disabled via the Field-Effect Transistor (FET). Once the condition that caused the DTC to set is repaired, the ignition must be switched off and then back on for the system to resume normal operation. |
| B112A:12 | Ignition On Relay B: Circuit Short to Battery | Sets when the BCM detects a short to voltage from the auxiliary ignition relay control circuit. When this DTC sets, the control side of the auxiliary ignition relay is disabled via the Field-Effect Transistor (FET). Once the condition that caused the DTC to set is repaired, the ignition must be switched off and then back on for the system to resume normal operation. |
| U300A:13 | Ignition Switch: Circuit Open | Sets during the on-demand self-test if the BCM detects no voltage from the ignition switch ON-designated circuit. |
Possible Causes
- Fuse
- Wiring, terminals or connectors
- Ignition relay
- Auxiliary ignition relay
- Ignition switch
- BCM
Visual Inspection and Diagnostic Pre-checks
- Inspect the high current BJB fuse 3 (100A) (ignition relay).
- Inspect the BJB fuse 23 (5A) (ignition relay).
- Inspect the high current fuse 6 (70A) (auxiliary ignition relay) (wagon).
- Inspect the BJB fuse 30 (5A) (auxiliary ignition relay) (van).