Isuzu 2000 Trooper Workshop Manual page 450

4B2–72 DRIVE LINE CONTROL SYSTEM (TOD)
Step
14 When the transfer lever is shifted to the 4L position, is the
continuity established between terminals (M-27)12 and GND?
15 When the transfer lever is shifted to the high position, is the
continuity established between terminals (M-27)12 and GND?
16 Check that all the parts are mounted.
Is this step complete?
Action Yes
Repair the
assembly.
Go to Step 15 Go to Step 16
short-circuited
Repair the terminals (H–17)6
transfer
and (M-27)12.
assembly. Repair the circuit.
Go to Step 16 Go to Step 16
Repeat the
"Diagnosis Flow". Return to Step 16
No
transfer
GND is
between