Workshop Manual

DRIVE LINE CONTROL SYSTEM (TOD)
4B2–42
Step Action Yes No
1 1. Connect TECH 2.
While running in TOD mode, does TECH–2’s front speed sensor
indication change with vehicle speed?
Go to Step 2
Repair and
inspection front
speed sensor
tone wheel.
Go to
Step 6
2 1. Clear the trouble code.
While running at 40 km/h or 25 mph in TOD mode for 30
consecutive sec, is the trouble code reissued?
Go to Step 3
The trouble is not
reproduced.
Refer to
“Troubles
intermittently
observed”.
3 1. Turn off the starter switch.
2. Disconnect the ECU connector (C–38) and (C–37).
Is there the continuity between the connector (C–37) terminal 10
and 25?
Repair the circuit.
Go to Step 6
Go to Step 4
4 1. Disconnect the transfer connector (A–1).
Is there the continuity between the connector (C–37) terminal 10
and the connector (A–1) terminal 6, the connector (C–38) terminal
12 and connector (A–1) terminal 2, and the connector (C–38)
terminal 13 and connector (A–1) terminal 10?
Replace the front
speed sensor.
Go to Step 5
Repair the circuit.
Go to Step 5
5 1. Clear the trouble code.
While running at 40 km/h or 25 mph in TOD mode for 30
consecutive sec, is the trouble code reissued?
Replace ECU.
Go to Step 6
Go to Step 6
6 1. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Return to Step 6