AT-512
[RE5F22A]
DTC P0733 A/T 3RD GEAR FUNCTION
Revision: November 2006
2006 Altima
DTC P0733 A/T 3RD GEAR FUNCTION
PFP:31940
Description
ECS009F7
●
This malfunction will not be detected while the A/T CHECK indicator lamp is indicating another self-diag-
nosis malfunction.
●
This malfunction is detected when the A/T does not shift into third gear position as instructed by the TCM.
This is not caused by electrical malfunction (circuits open or shorted) but by mechanical malfunction such
as control valve sticking, improper solenoid valve operation, etc.
On Board Diagnosis Logic
ECS009F8
●
This is an OBD-II self-diagnostic item.
●
Diagnostic trouble code “A/T 3RD GR FNCTN” with CONSULT-II or P0733 without CONSULT-II is
detected when A/T cannot be shifted to the 3rd gear position even if electrical circuit is good.
Possible Cause
ECS009F9
●
Shift solenoid valve A
(On stick.)
●
Shift solenoid valve B
(On stick.)
●
Shift solenoid valve C
(Off stick.)
●
Shift solenoid valve D
(Off stick.)
●
Pressure control solenoid valve A
(On stick.)
●
B5 brake
●
U/D clutch
●
U/D brake
●
Hydraulic control circuit
DTC Confirmation Procedure
ECS009FA
CAUTION:
●
Always drive vehicle at a safe speed.
●
Be careful not to rev engine into the red zone on the tachometer.
NOTE:
If “DTC Confirmation Procedure” has been previously performed, always turn ignition switch “OFF”
and wait at least 10 seconds before performing the next test.
After the repair, perform the following procedure to confirm the malfunction is eliminated.
WITH CONSULT-II
1.
Start engine and select “A/T” with “DATA MONITOR” mode in
CONSULT-II.
2.
Make sure that ATF temperature is within the range below.
FLUID TEMP: More than 20
°
C (68
°
F)
If out of range, drive the vehicle to warm up the fluid.
3.
Accelerate vehicle to maintain the following conditions for at
least 10 consecutive seconds.
SLCT LVR POSI: “D” position
GEAR: 3rd position
Gear position
Shift solenoid valve
A
B
C
D
E
3rd
D
OFF (Open)
OFF (Closed)
ON (Open)
ON (Closed)
OFF (Closed)
M3
OFF (Open)
OFF (Closed)
ON (Open)
ON (Closed)
OFF (Closed)
BCIA0030E