DESCRIPTION
This DTC is output when a short to B+ in the transfer shift motor and A.D.D. shift motor drive circuit is detected.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
P17AA |
Transfer Shift Motor Control Circuit High |
|
|
WIRING DIAGRAM
Refer to DTC P17A9 (See page )
PROCEDURE
1. |
CHECK ACTUATOR ASSEMBLY (TRANSFER SHIFT MOTOR AND A.D.D. SHIFT MOTOR) |
(a) Disconnect the 4 wheel drive control ECU connector.
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage: Transfer shift actuator assembly side:
|
|
Result |
Proceed to |
---|---|
OK |
A |
NG (transfer shift actuator assembly side) |
B |
NG (A.D.D. actuator (differential vacuum actuator assembly) side) |
C |
A |
REPLACE 4 WHEEL DRIVE CONTROL ECU |
C |
GO TO STEP 3 |
|
2. |
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU AND TRANSFER SHIFT ACTUATOR ASSEMBLY - BODY GROUND) |
(a) Disconnect the F12 4 wheel drive control ECU connector.
(b) Disconnect the T4 transfer shift actuator assembly connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F12-8 (TM1) or T4-2 (TM1) - Body ground |
Ignition switch ON |
Below 1 V |
F12-7 (TM2) or T4-1 (TM2) - Body ground |
Ignition switch ON |
Below 1 V |
OK |
REPLACE TRANSFER SHIFT ACTUATOR ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
3. |
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU AND DIFFERENTIAL VACUUM ACTUATOR ASSEMBLY - BODY GROUND) |
(a) Disconnect the F12 4 wheel drive control ECU connector.
(b) Disconnect the A3 A.D.D. actuator (differential vacuum actuator assembly) connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F12-2 (DM1) or A3-1 (DM1) - Body ground |
Ignition switch ON |
Below 1 V |
F12-6 (DM2) or A3-2 (DM2) - Body ground |
Ignition switch ON |
Below 1 V |
OK |
REPLACE DIFFERENTIAL VACUUM ACTUATOR ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Removal
REMOVAL
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
).
NOTICE:
After turning the ignition switch off, waiting time may be required before disconnecting
the cable from the negative (-) battery terminal. Therefore, make sure to read the
...
Taillight Relay Circuit
DESCRIPTION
The main body ECU (multiplex network body ECU) controls the operation of the
TAIL relay.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing
the following inspection procedure.
If the main body EC ...
System Description
SYSTEM DESCRIPTION
1. DESCRIPTION
The differential system (w/ Differential Lock) directly connects the
rear left and right wheels so that even if one wheel slips while driving
where drive torque transmission is difficult (such as on sand), the drive
torque of the other wheel is ...