PROBLEM SYMPTOMS TABLE
HINT:
Symptom |
Suspected Area |
See page |
---|---|---|
Noise |
Oil (Level low) |
|
Oil (Wrong) |
|
|
Transfer faulty |
|
|
Oil leakage |
Oil (Level too high) |
|
Gasket (Damaged) |
|
|
Oil seal (Worn or damaged) |
|
|
O-ring (Worn or damaged) |
|
|
Hard to shift or does not shift |
Shifting key spring (Damaged) |
|
Synchronizer spring (Worn or damaged) |
|
|
4WD indicator light does not come on |
Harness or connector |
|
Combination meter |
|
|
CAN communication system |
|
|
Four wheel drive control ECU |
|
|
Transfer indicator switch (for 4WD position) |
|
|
4WD indicator light remains on |
Four wheel drive control ECU |
|
Transfer indicator switch (for 4WD position) |
|
|
Combination meter |
|
|
Shift from 2WD (H2) to 4WD (H4) is impossible |
Transfer indicator switch (for 4WD position) |
|
A.D.D. actuator |
|
|
Harness or connector |
|
|
ECM |
|
|
Four wheel drive control ECU |
|
|
Shift from 4WD (H4) to 2WD (H2) is impossible |
Transfer indicator switch (for 4WD position) |
|
A.D.D. actuator |
|
|
Harness or connector |
|
|
ECM |
|
|
Four wheel drive control ECU |
|
|
Shift from 4WD (H4) to 4WD (L4) is impossible |
Transfer indicator switch (for 4WD position) |
|
Transfer indicator switch (for L4 position) |
|
|
Transfer indicator switch (for neutral position) |
|
|
Harness or connector |
|
|
ECM |
|
|
Shift from 4WD (L4) to 4WD (H4) is impossible |
Transfer indicator switch (for 4WD position) |
|
Transfer indicator switch (for L4 position) |
|
|
Transfer indicator switch (for neutral position) |
|
|
Harness or connector |
|
|
ECM |
|
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT DRIVE BELT
(a) Visually check the belt for excessive wear, frayed cords, etc.
If any defect is found, replace the drive belt.
HINT:
Cracks on the rib side of a belt are considered acceptable. Replace the belt
...
System Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Certification ECU
Main body ECU
Door unlock standby control signal
Door lock/unlock output req ...