Page 4137 of 6000

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–54
StepActionYe sNo
11. Start the engine.
Does the voltage between terminals 15 and 19 meet the standard
5V?The trouble is not
reproduced.
Refer to “Trouble
intermittently
boserved”.
Or verify repair.
Go to Step 2
2Is the voltage below the standard?Go to Step 3Go to Step 7
31. Turn off the starter switch.
2. Disconnect the ECU connector.
Is the continuity established between vehicle harness terminals
(B–67)7 and (B–67)11?
Go to Step 4
The ECU is
failed. Replace
the ECU.
Go to Step 8
41. Disconnect the H-49 connector.
Is the continuity established between floor harness connector
terminals (H-49)3 and (H-49)9?
Go to Step 5
Short to GND
between (B–67)7
and (H–49)3.
Repair the circuit.
Go to Step 8
51. Disconnect the A–3 connector.
Is the continuity established between transfer harness connector
terminals (A–3)2 and (A–3)7?
Replace the front
speed sensor.
Go to Step 8
The reference
harness for the
front speed
sensor is
short–circuited to
GND. Repair the
circuit.
Go to Step 6
61. Disconnect the A–3 connector.
Is the continuity established between transfer harness connector
terminals (A–3)1 and (A–3)7?
Replace the rear
speed sensor.
Go to Step 8
The reference
harness for the
rear speed
sensor is
short–circuited to
GND. Repair the
circuit.
Go to Step 8
71. Turn off the starter switch.
2. Disconnect the ECU connector.
3. Turn on the starter switch.
Is the battery voltage observed between harness connector
terminals (B–67)7 and (B–67)11?
Repair the
harness circuit.
Go to Step 8
The ECU has
failed. Replace
the ECU.
Go to Step 8
81. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”
Go to Step 8
Page 4138 of 6000
4B2–55 DRIVE LINE CONTROL SYSTEM (TOD)
Check flowTrouble codePhenomenonStandard
721
(P1716)The voltage of the throttle position
sensor (TPS) is faulty.
The signal voltage from the TPS deviates from the stan-
dard range.
D04RY00053
Page 4139 of 6000
DRIVE LINE CONTROL SYSTEM (TOD) 4B2–56
StepActionYe sNo
11. Turn off the starter switch.
Is the battery voltage normal?
Go to Step 2
Charge or
replace the
battery.
Go to Step 6
21. Turn on the starter switch.
Does the voltage between terminals 21 and 19 fall within the
standard range above?
Go to Step 3Go to Step 3
31. Turn off the starter switch.
2. Disconnect the ECU connector.
3. Turn on the starter switch.
Does the voltage between terminals (B–68)9 and (B–67)11 fall
within the standard range above?
The ECU has
failed. Replace
the ECU.
Go to Step 6
Go to Step 4
4Is the harness healthy?
Go to Step 5
Repair the
harness.
Go to Step 6
5Is the TPS healthy?
Go to Step 6
Replace the TPS.
Go to Step 6
61. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Go to Step 6
Page 4140 of 6000
4B2–57 DRIVE LINE CONTROL SYSTEM (TOD)
Check flowTrouble codePhenomenonStandard
834The diesel/gasoline engine identifi-
cation signal is faulty.6VE1: Continuity established
4JX1: No continuity
The engine identification signals of 6VE1 and 4JX1 are
changed each other.
D04RY00053
Page 4141 of 6000

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–58
6VE1
Step
ActionYe sNo
11. Turn off the starter switch.
Is the continuity established between terminals 14 and 19?
Go to Step 2
The harness is
broken. Repair
the circuit.
Go to Step 3
21. Turn on the starter switch.
Does the voltage between terminals 14 and 19 indicate 0V?The phenomenon
is not
reproduced.
Refer to
“Troubles
intermittently
observed”
The ECU has
failed. Replace
the ECU.
Go to Step 3
31. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Return to Step 3
4JX1
Step
ActionYe sNo
11. Turn off the starter switch.
Is the continuity established between terminals 14 and 19?The harness for
terminal 14 is
short–circuited to
GND.
Repair the circuit.
Go to Step 3
Go to Step 2
21. Turn on the starter switch.
Does the voltage between terminals 14 and 19 indicate 5V?The phenomenon
is not
reproduced.
Refer to
“Troubles
intermittently
observed”
The ECU has
failed. Replace
the ECU.
Go to Step 3
31. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Return to Step 3
Page 4142 of 6000
4B2–59 DRIVE LINE CONTROL SYSTEM (TOD)
Check flowTrouble codePhenomenonStandard
931
(P1721)The electromagnetic coil is broken
or shorted to the battery or GND.—
D04RY00060
Page 4143 of 6000

DRIVE LINE CONTROL SYSTEM (TOD) 4B2–60
StepActionYe sNo
11. Clear the trouble code.
2. Start the engine
3. Set the TOD mode.
Is there DTC31 (P1721)?
Go to Step 2
Refer to “Trouble
intermittently
observed”.
21. Turn off the starter switch.
2. Disconnect the ECU connector from ECU.
Is the continuity established between terminals (B–67)4 and
(B–67)12?
Go to Step 3Go to Step 5
31. Connect the ECU connector.
2. Start the engine.
3. Set the TOD mode.
Does the voltage between terminals 4 and 20 indicate at least
0.4V?
Go to Step 4Go to Step 6
4Is the battery voltage always observed between terminals 4 and
20?The harness is
short–circuited on
the battery.
Repair the circuit.
Go to
Step 8Go to Step 6
51. Disconnect the A–3 connector.
Is the continuity established between transfer connector
terminals (A–3)8 and (A–3)7?
The harness is
broken. Repair
the circuit.
Go to
Step 8
Replace the
transfer
electromagnetic
coil (solenoid
clutch).
Go to
Step 8
61. Turn off the starter switch.
2. Disconnect the ECU connector from ECU.
Is the resistance between the connector (B–67) terminal 4 and 12
1.0
5.0?
The ECU has
failed. Replace
the ECU
Go to
Step 8Go to Step 7
7Is the resistance between the transfer connector (A–3) terminal 8
and 7 1.0
5.0?The harness is
disconnection or
short to GND.
Repair the circuit.
Go to
Step 8
Replace the
transfer
electromagnetic
coil (solenoid
clutch).
Go to
Step 8
81. Check that all the parts are mounted.
2. Clear the trouble code.
Is this step complete?
Repeat the
“Diagnosis Flow”.
Return to Step 8
Page 4144 of 6000
4B2–61 DRIVE LINE CONTROL SYSTEM (TOD)
Check flowTrouble codePhenomenonStandard
1026The electromagnetic coil is short-
circuited to GND.Resistance: 1.0 to 5.0 ohm (at
ordinary temperature)
D04RY00060