DESCRIPTION
This DTC is output when a malfunction in the L4 detection switch is detected.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
P2772 |
Four Wheel Drive (4WD) Low Switch Circuit Range / Performance |
|
|
WIRING DIAGRAM
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - TRANSFER SHIFT ACTUATOR ASSEMBLY) |
(a) Disconnect the F13 4 wheel drive control ECU connector.
(b) Disconnect the T4 transfer shift actuator assembly connector.
(c) for Hydraulic Brake Booster:
Disconnect the S1 skid control ECU (Master Cylinder Solenoid) connector.
for Vacuum Brake Booster:
Disconnect the S1 skid control ECU (brake actuator assembly) connector.
(d) for 2TR-FE:
Disconnect the E21 ECM connector.
for 2GR-FKS:
Disconnect the E13 ECM connector.
(e) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F13-3 (4WDL) - T4-9 (L4) |
Always |
Below 1 Ω |
T4-10 (GND) - Body ground |
Always |
Below 1 Ω |
F13-3 (4WDL) or T4-9 (L4) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK TRANSFER SHIFT ACTUATOR ASSEMBLY |
(a) Turn the ignition switch to ON.
(b) Turn the transfer position switch to L4.
(c) Turn the ignition switch off.
(d) Disconnect the T4 transfer shift actuator assembly connector.
(e) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK | ![]() |
REPLACE 4 WHEEL DRIVE CONTROL ECU |
NG | ![]() |
REPLACE TRANSFER SHIFT ACTUATOR ASSEMBLY |
Data List / Active Test
DATA LIST / ACTIVE TEST
HINT:
By accessing the Data List displayed by the Techstream, you can check values
of switches and sensors without removing any parts. Reading the Data List as the
first step of troubleshooting is one method to shorten diagnostic time.
1. DATA LIST FOR OCCUPANT DETECTI ...
Parts Location
PARTS LOCATION
ILLUSTRATION
*A
for Automatic Transmission
*B
for Manual Transmission
*C
for 4WD
-
-
*1
FRONT SPEED SENSOR LH
*2
FRONT SPEED SENSOR RH
...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
Use the table below to help determine the cause of problem symptoms.
If multiple suspected areas are listed, the potential causes of the symptoms
are listed in order of probability in the "Suspected Area" column of the
table. Check each sy ...