PROBLEM SYMPTOMS TABLE
HINT:
Symptom |
Suspected Area |
See page |
---|---|---|
Oil leakage from front differential |
Oil (Level too high or wrong grade) |
|
Front differential rear oil seal (Worn or damaged) |
|
|
Companion flange (Loose or damaged) |
|
|
Oil leakage from rear differential |
Oil (Level too high or wrong grade) |
|
Rear differential front oil seal (Worn or damaged) |
|
|
Companion flange (Loose or damaged) |
|
|
Oil leak from front drive pinion shaft |
Oil (Level too high or wrong grade) |
|
Front differential oil seal (Worn or damaged) |
|
|
Companion flange (Loose or damaged) |
|
|
Oil leak from rear drive pinion shaft |
Oil (Level too high or wrong grade) |
|
Rear differential oil seal (Worn or damaged) |
|
|
Companion flange (Loose or damaged) |
|
|
Differential lock does not operate |
Rear differential lock switch |
|
Four wheel drive control ECU |
|
|
Differential carrier (Faulty) |
- |
|
Wiring or ground (Faulty) |
- |
PTC Heater Circuit
DESCRIPTION
PTC heater relays are closed in accordance with signals from the air conditioning
amplifier assembly and power is supplied to the quick heater assembly installed
on the radiator heater unit.
WIRING DIAGRAM
PROCEDURE
1.
...
Center Airbag Sensor Assembly Communication Circuit Malfunction (B1790)
DESCRIPTION
The center airbag sensor communication circuit consists of the occupant classification
ECU and center airbag sensor.
DTC B1790 is stored when a malfunction is detected in the center airbag sensor
communication circuit.
DTC Code
...