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 |
|
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
When troubleshooting OBD II (On-Board Diagnostics) vehicles, an OBD
II scan tool (complying with SAE J1987) must be connected to the DLC3 (Data
Link Connector 3) of the vehicle. Various data in the vehicle ECM ( ...
Fail-safe Chart
FAIL-SAFE CHART
If a problem occurs in the power steering system, the power steering assist will
be stopped or the amount of power assist will be decreased to protect the system.
Power Steering System
Malfunction
Fail-safe Operation
...
Pressure Control Solenoid "C" Performance (Shift Solenoid Valve SL3) (P0796)
SYSTEM DESCRIPTION
The TCM uses the vehicle speed signal and signals from the transmission speed
sensors (NC, NT) to detect the actual gear (1st, 2nd, 3rd, 4th, 5th or 6th gear).
Then the TCM compares the actual gear with the shift schedule in the TCM memo ...