DESCRIPTION
While depressing the clutch pedal, the clutch start switch assembly sends a signal to terminal MTN of the 4 wheel drive control ECU. While the signal is input, switching between H4 and L4 is possible.
WIRING DIAGRAM
PROCEDURE
1. |
READ VALUE USING TECHSTREAM (CLUTCH SWITCH) |
(a) Turn the ignition switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the Techstream on.
(d) Turn the ignition switch to ON.
(e) Enter the following menus: Powertrain / Four Wheel Drive / Data List.
(f) According to the display on the Techstream, read the Data List.
Four Wheel Drive
Tester Display |
Measurement Item/Range |
Normal Condition |
Diagnostic Note |
---|---|---|---|
Clutch SW |
Clutch start switch status/ ON or OFF |
ON: Clutch pedal depressed OFF: Clutch pedal released |
Used only for vehicles with a manual transmission. Displays OFF for vehicles with an automatic transmission. |
OK:
The display changes according to the clutch pedal operation.
OK | ![]() |
PROCEED TO NEXT SUSPECTED AREA SHOWN IN PROBLEM SYMPTOMS TABLE |
|
2. |
CHECK SFI SYSTEM |
(a) Check that the SFI system operates normally.
OK:
SFI system operates normally.
Result
Result |
Proceed to |
---|---|
OK |
A |
NG (for 2TR-FE) |
B |
NG (for 2GR-FKS) |
C |
B | ![]() |
CHECK SFI SYSTEM |
C | ![]() |
CHECK SFI SYSTEM |
|
3. |
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - CLUTCH START SWITCH ASSEMBLY) |
(a) Disconnect the F13 4 wheel drive control ECU connector.
(b) Disconnect the C8 clutch start switch assembly connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F13-18 (MTN) - C8-1 |
Always |
Below 1 Ω |
F13-18 (MTN) or C8-1 - Body ground |
Always |
10 kΩ or higher |
OK | ![]() |
REPLACE 4 WHEEL DRIVE CONTROL ECU |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for both the RH and LH sides.
The procedure described below is for the LH side.
PROCEDURE
1. PRECAUTION
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable f ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
The main body ECU (multiplex network body ECU) and certification ECU (smart key
ECU assembly) control the LIN communication system. LIN communication system data
and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector
3 (DLC3).
When th ...
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 symptom by
check ...