DTC Detection Logic
NOTE:
- If DTC B2603 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
"DTC LOGIC ".
- If DTC B2603 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
"DTC LOGIC ".
DTC DETECTION CONDITION CHART
| DTC |
Self-diagnosis name |
DTC detecting condition |
Possible causes |
| B2603 |
SHIFT POSITION STATUS |
BCM detects the followings status for 500 ms or more when shift is in P position, and ignition switch is in ON position.
- Park/neutral position (PNP) switch: approx. 0V
- A/T device (detention switch): approx. 0V
|
- Harness or connector
- (A/T device circuit is open or shorted.)
- Harness or connectors
- [Park/neutral position (PNP) switch circuit is open or shorted.]
- A/T device (detention switch)
- Park/neutral position (PNP) switch
|