Component Inspection
1.CHECK MIRROR SWITCH & CHANGEOVER SWITCH
1. Turn ignition switch OFF.
2. Disconnect door mirror remote control switch connector.
3. Check door mirror remote control switch.

Is the inspection result normal?
YES >> Inspection end.
NO >> Replace door mirror remote control switch. Refer to MIR "Removal and Installation".
SYMPTOM DIAGNOSIS
P074B Unable to engage 3GR
Description
This malfunction is detected when the A/T does not shift into 3GR position as
instructed by TCM. This is not
only caused by electrical malfunction (circuits open or shorted) but by
mechanical malfunction such as control
valve sticking, improper solenoid valve operation, etc.
DTC ...
Shift position indicator circuit
Component Parts Function Inspection
1.CHECK SHIFT POSITION INDICATOR
Start the engine.
Shift the selector lever.
Check that the selector lever position and the shift position indicator
on the combination meter are identical.
Is the inspection result normal?
YES >> INSPECTION ...