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DRIVE LINE CONTROL SYSTEM (TOD) 4B2–108 Step Action Yes No 1 Start the engine. When the transfer lever is shifted to the neutral position between Go to Step 2 Go to Step 7 2 When the transfer lever is shifted to the high position and 4WD Go to Step 3 Go to Step 7 3 When the transfer lever is shifted to the 4L position, is 0V Go to Step 4 Go to Step 7 4 Select the 4WD AUTO SW to the 2WD position. Is 12V observed between terminals 25 and 19? Go to Step 5 Replace the ECU. Go to Step 19 5 Is 12V observed between terminals 26 and 19? Go to Step 6 Replace the ECU. Go to Step 19 6 Is 12V observed between terminals 27 and 19? The phenomenon is not reproduced. Refer to “Troubles intermittently observed”. The ECU has failed. Replace the ECU. Go to Step 19 7 When the 4WD AUTO SW is selected to the 2WD position, is the Go to Step 8 Go to Step 11 8 When the transfer lever is shifted to the neutral position between Go to Step 9 Go to Step 11 9 When the transfer lever is shifted to the high position and 4WD Go to Step 10 Go to Step 11 10 When the transfer lever is shifted to the 4L position, is 0V Go to Step 12 Go to Step 11 11 Is any of the trouble codes 28, 32 and 33 recorded? Examine the trouble based on “Diagnosis from Trouble Codes”. The ECU has failed. Replace the ECU. 12 1. Turn off the starter switch. Does the resistance between terminals 5 and 19 meet the Go to Step 13 Repair the circuit or replace the VSV. Go to Step 19 13 1. Connect the ECU connector. When the 4WD AUTO SW is selected to the 2WD position, is the Go to Step 14 Repair the circuit or replace the VSV. Go to Step 19 14 When the transfer lever is shifted to the neutral position between Go to Step 15 Repair the circuit or replace the VSV. Go to Step 19 15 When the transfer lever is shifted to the high position and 4WD Go to Step 16 Repair the circuit or replace the VSV. Go to Step 19 |