Description
ECM sends engine speed signal to power steering control unit.
Diagnosis Procedure
1.PERFORM ECM SELF-DIAGNOSIS
With CONSULT
Perform ECM self-diagnosis.
2.CHECK HARNESS BETWEEN ECM AND POWER STEERING CONTROL UNIT FOR OPEN
3.CHECK HARNESS BETWEEN ECM AND POWER STEERING CONTROL UNIT FOR SHORT
4.CHECK ENGINE SPEED SIGNAL (ECM SIDE)
5.CHECK ENGINE SPEED SIGNAL (POWER STEERING CONTROL UNIT SIDE)
6.CHECK TERMINALS AND HARNESS CONNECTORS
B2603 shift position status
Description
BCM confirms the shift position with the following 2
signals.
CVT selector lever
P/N position switch
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC B2603 is displayed with DTC
U1000, first perform the trouble diagnosis for DTC U1000. Refer to
...
ECM branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and
loose connection (unit side and connector
side).
- Models without automatic drive positione ...
System malfunction
If the FEB system malfunctions, it will be turned
off automatically, a chime will sound, the FEB
warning light (orange) will illuminate and the
warning message [Malfunction] will appear in the
vehicle information display.
Action to take
If the warning light (orange) comes on, stop the
vehicle ...