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 |
Accessories, spare parts and modification of your Toyota
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Front Speed Sensor RH Performance (C1409,C1410)
DESCRIPTION
Refer to DTCs C1401 and C1402 (See page ).
DTC Code
DTC Detection Condition
Trouble Area
C1409
C1410
One of the following conditions is met:
When the vehicle is driven in reverse at a speed of 3 km/h (2
...
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repairs" after replacing the fuel pump assembly (See
page ).
PROCEDURE
1. SET FUEL PUMP ASSEMBLY
HINT:
Perform "Inspection After Repairs" after replacing the fuel pump assembly (See
page ).
...