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DRIVE LINE CONTROL SYSTEM (TOD) 4B2–72 Step Action Yes No 1 Turn on the starter switch. When the transfer lever is shifted to the high position, is 5V Go to Step 2 Go to Step 4 2 When the transfer lever is shifted to the neutral position, is 0V Go to Step 3 Go to Step 4 3 When the transfer lever is shifted to the 4L position, is 0V The ECU has failed. Replace the ECU. Go to Step 4 Go to Step 4 4 1. Turn off the starter switch. When the transfer lever is shifted to the high position, is 12V Go to Step 5 Go to Step 7 5 When the transfer lever is shifted to the neutral position, is 0V Go to Step 6 Go to Step 7 6 When the transfer lever is shifted to the 4L position, is 0V The 4L switch circuit battery is short-circuited between ECU and transfer. Repair the circuit Go to Step 13 Go to Step 7 7 Turn off the starter switch. When the transfer lever is shifted to the high position, is the Go to Step 10 Go to Step 8 8 When the transfer lever is shifted to the neutral position between Go to Step 9 Go to Step 10 9 When the transfer lever is shifted to the 4L position, is the The phenomenon is not reproduced. Refer to “Troubles intermittently observed”. Go to Step 13 Go to Step 10 10 1. Disconnect the A–3 connector. When the transfer lever is shifted to the neutral position between Wires are broken between transfer connector (A–3) and floor connector (H-49). Go to Step 11 Repair the transfer assembly. Go to Step 13 11 When the transfer lever is shifted to the 4L position, is the Go to Step 12 Repair the transfer assembly. Go to Step 13 12 When the transfer lever is shifted to the high position, is the Repair the transfer assembly. Go to Step 13 Go to Step 13 13 Check that all the parts are mounted. Is this step complete? Repeat the “Diagnosis Flow”. Return to Step 13 |