DESCRIPTION
When the transfer switches modes, the TL1, TL2 and TL3 terminals of the limit switch are in one of the ON/OFF combinations listed in the table below.
Terminal |
When 2WD |
Switching between 2WD and H4 |
When H4 |
Switching between H4 and L4 |
When L4 |
---|---|---|---|---|---|
TL1 |
ON (GND) |
ON (GND) |
OFF (OPEN) |
OFF (OPEN) |
OFF (OPEN) |
TL2 |
OFF (OPEN) |
OFF (OPEN) |
OFF (OPEN) |
ON (GND) |
ON (GND) |
TL3 |
OFF (OPEN) |
ON (GND) |
ON (GND) |
ON (GND) |
OFF (OPEN) |
A malfunction is detected depending on the combination of the 3 circuits that make up the limit switch of the transfer shift actuator assembly.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
P17AC |
Transfer Shift Motor Limit Switch Circuit |
|
|
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) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F13-11 (TL1) - T4-3 (TL1) |
Always |
Below 1 Ω |
F13-10 (TL2) - T4-4 (TL2) |
Always |
Below 1 Ω |
F13-9 (TL3) - T4-5 (TL3) |
Always |
Below 1 Ω |
T4-6 (GND1) - Body ground |
Always |
Below 1 Ω |
F13-11 (TL1) or T4-3 (TL1) - Body ground |
Always |
10 kΩ or higher |
F13-10 (TL2) or T4-4 (TL2) - Body ground |
Always |
10 kΩ or higher |
F13-9 (TL3) or T4-5 (TL3) - Body ground |
Always |
10 kΩ or higher |
F13-11 (TL1) - T4-4 (TL2) and T4-5 (TL3) |
Always |
10 kΩ or higher |
F13-10 (TL2) - T4-3 (TL1) and T4-5 (TL3) |
Always |
10 kΩ or higher |
F13-9 (TL3) - T4-3 (TL1) and T4-4 (TL2) |
Always |
10 kΩ or higher |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK 4 WHEEL DRIVE CONTROL ECU (ECU OUTPUT VOLTAGE) |
(a) Disconnect the transfer shift actuator assembly connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
T4-3 (TL1) - Body ground |
Ignition switch ON |
10 to 14 V |
T4-4 (TL2) - Body ground |
Ignition switch ON |
10 to 14 V |
T4-5 (TL3) - Body ground |
Ignition switch ON |
10 to 14 V |
*a |
Front view of wire harness connector (to Transfer Shift Actuator Assembly) |
OK |
REPLACE TRANSFER SHIFT ACTUATOR ASSEMBLY |
NG |
REPLACE 4 WHEEL DRIVE CONTROL ECU |
Mechanical System Tests
MECHANICAL SYSTEM TESTS
1. STALL SPEED TEST
HINT:
This test is to check the overall performance of the engine and transmission.
CAUTION:
This test should be done on a paved surface (a surface that is not slippery).
To ensure safety, perform this test in an open and level area tha ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Use the following procedure to troubleshoot the power door lock control
system.
*: Use the Techstream.
PROCEDURE
1.
VEHICLE BROUGHT TO WORKSHOP
NEXT
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT COOLER (ROOM TEMPERATURE. SENSOR) THERMISTOR
(a) Check the resistance.
(1) Measure the resistance according to the value(s) in the table below.
Text in Illustration
*a
Component without harness connected
(coo ...