PROBLEM SYMPTOMS TABLE
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 checking the suspected areas in the order they are listed. Replace parts as necessary.
Cooling Fan System
Symptom |
Suspected Area |
See page |
---|---|---|
Cooling fan does not operate |
Cooling fan motor |
|
No. 2 cooling fan motor |
|
|
FAN NO. 1 relay |
|
|
FAN NO. 2 relay |
|
|
FAN NO. 3 relay |
|
|
Cooling fan circuit |
|
|
ECM |
|
|
Cooling fan does not stop |
FAN NO. 1 relay |
|
FAN NO. 3 relay |
|
|
Cooling fan circuit (for short circuit) |
|
|
ECM |
|
|
Cooling fan speed does not change |
FAN NO. 2 relay |
|
Cooling fan circuit |
|
|
ECM |
|
Inspection
INSPECTION
PROCEDURE
1. INSPECT PRELOAD
(a) Using SST and a torque wrench, measure the preload of the backlash
between the driven pinion and ring gear.
SST: 09326-20011
Preload (at Starting):
Item
P ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL TIMING CHAIN COVER SUB-ASSEMBLY
(a) Apply a light coat of engine oil to 2 new oil pump gaskets and new
oil hole cover gasket.
(b) Install the 2 new oil pump gas ...
4WD Control ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
4WD Control ECU Communication Stop Mode
"Four Wheel Drive Control" is not displayed on the "CAN Bus
Check" screen ...