DESCRIPTION
If a malfunction in the power source circuit occurs, or a malfunction in communication with the skid control ECU or in a speed sensor occurs, the AWD control ECU will prohibit operations by the fail-safe function.
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C1241/94 |
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following inspection procedure.
HINT:
Check the condition of each related circuit connector before troubleshooting (See page ).
PROCEDURE
1. |
CHECK FOR DTC (CAN COMMUNICATION SYSTEM AND BRAKE CONTROL SYSTEM) |
(a) Check if the CAN communication system DTC is output (See page ).
(b) Start the engine.
(c) Drive the vehicle, accelerate to a speed of 3 km/h (2 mph) or more, and check if the speed sensor DTC (brake control system DTC) is output (See page ).
Result |
Proceed to |
---|---|
Neither CAN communication system DTC nor speed sensor DTC (brake control system DTC) is output |
A |
CAN communication system DTC is output |
B |
Speed sensor DTC (brake control system DTC) is output |
C |
B |
REPAIR CIRCUIT INDICATOR BY OUTPUT CODE (CAN COMMUNICATION SYSTEM) |
C |
REPAIR CIRCUIT INDICATOR BY OUTPUT CODE (BRAKE CONTROL SYSTEM) |
|
2. |
INSPECT BATTERY |
(a) Check the battery voltage.
Standard Voltage:
11 to 14 V
Result |
Proceed to |
---|---|
OK |
A |
NG (2GR-FE) |
B |
NG (1AR-FE) |
C |
B |
INSPECT CHARGING SYSTEM (2GR-FE) |
C |
INSPECT CHARGING SYSTEM (1AR-FE) |
|
3. |
CHECK WIRE HARNESS (AWD CONTROL ECU - BATTERY) |
(a) Disconnect the ECU connector.
(b) Measure the voltage of the wire harness side connector.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
D38-11 (IG1) - Body Ground |
Ignition switch ON |
11 to 14 V |
*1 |
Rear view of wire harness connector (to AWD Control ECU) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
4. |
CHECK WIRE HARNESS (AWD CONTROL ECU - BODY GROUND) |
(a) Disconnect the ECU connector.
(b) Measure the resistance of the wire harness side connector.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D38-23 (GND) - Body Ground |
Always |
Below 1 Ω |
*1 |
Rear view of wire harness connector (to AWD Control ECU) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
RECONFIRM DTC |
(a) Clear the DTC (See page ).
(b) Start the engine.
(c) Drive the vehicle, accelerate to a speed of 3 km/h (2 mph or more, and check if the same DTC is output.
Result |
Proceed to |
---|---|
DTC is output |
A |
DTC is not output |
B |
HINT:
Reinstall the sensor, connectors, etc. and restore the vehicle to its prior condition before rechecking DTCs.
A |
REPLACE AWD CONTROL ECU |
B |
CHECK INTERMITTENT PROBLEMS |
Panel Switches do not Function
PROCEDURE
1.
CHECK PANEL SWITCH
(a) Check for foreign matter around the switches that might prevent operation.
OK:
No foreign matter is found.
NG
REMOVE ANY FOREIGN MATTER FOUND
...
Inspection
INSPECTION
PROCEDURE
1. INSPECT TIE ROD ASSEMBLY LH
(a) Secure the tie rod assembly LH in a vise.
(b) Install the nut to the stud bolt.
(c) Flip the ball joint back and forth 5 times.
(d) Set a to ...
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
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" ...