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 |
Installation
INSTALLATION
CAUTION / NOTICE / HINT
HINT:
Perform "Inspection After Repairs" after replacing the fuel injector assembly
(See page ).
PROCEDURE
1. INSTALL FUEL INJECTOR SEAL
(a) Apply engine conditioner to the fuel injector assembly area shown
in the illustration. U ...
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Air Conditioning System
DTC Code
Detection Item
Memory
See page
B1412
Ambient Temperature Sensor Circuit
Memorized
(4 seconds or more)
B1413
...
Disassembly
DISASSEMBLY
PROCEDURE
1. INSPECT CONNECTING ROD THRUST CLEARANCE
(a) Using a dial indicator, measure the thrust clearance while moving
the connecting rod back and forth.
Standard thrust clearance:
0.15 to 0.40 mm (0.00591 to 0.0157 in.)
Maximum thrust clearance:
0.50 ...