Check that there is no looseness at the locking and connecting parts of the 4WD ECU assembly connector.
No looseness at the locking and connecting parts
Disconnect the N3 and N4 4WD ECU assembly connectors.
Check the connector case and the terminal for deformation and corrosion.
No deformation or corrosion
Connect the N3 and N4 4WD ECU assembly connectors.
| Proceed to |
|---|
| OK |
| NG |
OK
NG
Turn the engine switch off.
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
According to the display on the GTS, perform the Active Test and check the Data List "4WD Warning Light" turns ON/OFF.
| Tester Display | Measurement Item | Range | Normal Condition | Diagnostic Note |
|---|---|---|---|---|
| 4WD Warning Light | AWD warning (multi-information display) | OFF / ON | OFF: Warning off
ON: Warning on |
- |
| Tester Display | Measurement Item | Control Range | Diagnostic Note |
|---|---|---|---|
| 4WD Warning Light | AWD warning (multi-information display) | Warning ON/OFF | Observe combination meter assembly |
| Active Test Display |
|---|
| 4WD Warning Light |
| Data List Display |
|---|
| 4WD Warning Light |
| Result | Proceed to |
|---|---|
| Data List display does not switch ON/OFF | A |
| Data List display switches ON/OFF | B |
A
B
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