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 |
Reassembly
REASSEMBLY
PROCEDURE
1. INSPECT CENTER NO. 2 SUPPORT BEARING ASSEMBLY
(a) When turning the center No. 2 support bearing assembly with your hand, check
that it turns smoothly without catching and that there are no cracks or damage.
If there are any defects, replace it.
2. INSTALL CENTER NO. ...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
ECM
Millimeter Wave Radar Sensor Assembly
Cruise control operation signal
Accelerator pedal idle position signal
Accel overr ...
Four-wheel drive system
Use the front-wheel drive control switch to select the following transfer modes.
H2 (high speed position, two-wheel
drive)
Use this for normal driving on dry hard-surfaced roads.
This position gives greater economy, quietest ride and least wear.
H4 (high speed position, four-wheel
drive) ...