5D2-30 TRANSFER CASE - TOD 4WD CHECK INDICATOR STAYS ON WITH IGNITION SWITCH ON Circuit Description When the ignition switch turns to ON the transfer case control unit (TOD) illuminates 4WD CHECK and 4WD LOW indicator to check bulb operation and turns off after 0.6 seconds. Then TOD starts self-diagnosis and illuminate 4WD CHECK indicator when TOD detects any fault. Test Description The number(s) below refer to step(s) on the diagnostic table. 2. This step, along with step 4, checks the short to ground condition of the wire or terminals. Diagnostic Aids • If the 4WD CHECK indicator illuminates steadily the TOD may detect some fault. TOD should be checked by scan tool to solve the problem.
• The 4WD CHECK indicator also illuminates steadily if the terminal B2 of TOD connector is shorted to ground. The shorted wire or terminals should be repaired. SSANGYONG Y200 Step Action Value Yes No 1 1. Turn the ignition switch to OFF. 2. Connect the scan tool to the data link connector (DLC). 3. Turn the ignition switch to ON and request the DTC. Does the scan tool display any DTC? - Go to the specific DTC diagnostic table Go to Step 2 2 1. Turn the ignition switch to OFF. 2. Disconnect the 18-pin connector from transfer case control unit (TOD). 3. Turn the ignition switch to ON and check the 4WD CHECK bulb operation. Does the 4WD CHECK indicator come on steadily?
- Go to Step 3 Go to Step 4 3 Repair any short to ground circuit between terminal A2 of TOD connector and terminal 31 of cluster. Is the repair complete? - System OK - 4 1. Turn the ignition OFF. 2. Check the pin or terminals for damage or improper connection. 3. Reconnect all the connectors. 4. Turn the ignition ON. Does the 4WD CHECK indicator come on steadily? - Go to Step 5 System OK 5 Replace the TOD. Is the repair complete? - System OK -