DESCRIPTION
This DTC is output when a malfunction is detected due to a battery short occurring in the differential lock coil drive circuit of the rear differential.
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
---|---|---|---|
P17C1 |
Rear Differential Lock Solenoid Circuit High |
|
|
WIRING DIAGRAM
Refer to DTC P17C0 (See page ).
PROCEDURE
1. |
CHECK DIFFERENTIAL LOCK COIL |
(a) Disconnect the 4 wheel drive control ECU connector.
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
OK | ![]() |
REPLACE 4 WHEEL DRIVE CONTROL ECU |
|
2. |
CHECK HARNESS AND CONNECTOR (4 WHEEL DRIVE CONTROL ECU - DIFFERENTIAL LOCK COIL) |
(a) Disconnect the F12 4 wheel drive control ECU connector.
(b) Disconnect the D28 differential lock coil connector.
(c) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F12-1 (SL+) or D28-2 (SL+) - Body ground |
Ignition switch ON |
Below 1 V |
F12-5 (SL-) or D28-1 (SL-) - Body ground |
Ignition switch ON |
Below 1 V |
OK | ![]() |
REPLACE DIFFERENTIAL LOCK COIL |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Removal
REMOVAL
CAUTION / NOTICE / HINT
NOTICE:
When replacing the windshield glass of a vehicle equipped with a forward recognition
camera, make sure to use a Toyota genuine part. If a non-Toyota genuine part is
used, the forward recognition camera may not be able to be installed due to a missing
...
Fail-safe Chart
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Central Gateway ECU Communication Stop Mode
DESCRIPTION
Detection Item
Symptom
Trouble Area
Central Gateway ECU Communication Stop Mode
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"Central Gateway ECU Communication Stop Mode" in "DTC Com ...