Tod Control Unit Diagnostic System Check - SSANGYONG Rexton Y200 Manual

5D2-28 TRANSFER CASE - TOD

TOD CONTROL UNIT DIAGNOSTIC SYSTEM CHECK

Circuit Description
The diagnostic system check is an organized approach
to identifying a problem created by a transfer case
control unit (TOD) malfunction. It must be starting point
for any derivability complaint diagnosis because it
directs the technician to the next logical step in
diagnosing the complaint. Understanding the table and
using it correctly will reduce diagnostic time and prevent
the unnecessary replacement of parts.
Step
Verify the customer's complaint.
1
Does it verify the customer's complaint?
Turn the ignition ON.
2
Does "4WD CHECK" lamp turns on continuously?
Jump between the terminal A2 of the TOD and
3
ground.
Does "4WD CHECK" lamp turns on?
1. Turn the ignition OFF.
2. Connect the data diagnosis connector to scan tool
4
and follow the manual instruction.
3. Turn the ignition ON.
Does the scan tool communicate with TOD?
Check whether the scan tool communicates with other
control units.
5
Does the scan tool communicate with other control
units?
Repair the diagnostic line between the TOD terminal
6
A12 and DLC connector 13.
Is the repair complete?
Change the scan tool.
7
Does the scan tool communicate with other control
units?
1. Replace the TOD.
2. Connect the data diagnosis connector to scan tool.
8
3. Request the DTC.
Does any DTC display?
Request the DTC with the scan tool.
9
Does any DTC display?
1. Perform the road test.
2. Recheck any DTC.
10
Does any DTC display?
Refer to applicable DTC table. Start the lowest DTC
and move another DTC.
11
Does the DTC identify as a valid DTC?
Action Value Yes
- Go To Step 2
- Go To Step 4
- Go To Step 4
- Go To Step 9
- Go To Step 6
- Go To Step 4
- Go To Step 4
- Go To Step 11
- Go To Step 11
- Go To Step 11
Go To the
applicable
DTC table
-
NO
-
Go To Step 3
Repair the
bulb and
circuit
Go To Step 5
Go To Step 7
-
Go To Step 8
Go To Step 10
Go To Step 10
System OK
-
SSANGYONG Y200