DESCRIPTION
DTC Code |
DTC Detection Condition |
Trouble Area |
---|---|---|
U1110 |
No communication from the clearance warning ECU assembly continues. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
HINT:
PROCEDURE
1. |
RECONFIRM DTC OUTPUT |
(a) Reconfirm DTCs.
HINT:
If CAN No. 2 bus DTC U1002 is output from the power management control ECU (Techstream display: PM1 Gateway), troubleshoot for U1002 and check for malfunctions in the CAN No. 2 main bus circuit.
Result |
Proceed to |
---|---|
U1002 is not output from power management control ECU (Techstream display: PM1 Gateway) |
A |
U1002 is output from power management control ECU (Techstream display: PM1 Gateway) |
B |
B |
GO TO CIRCUITS INDICATED BY OUTPUT DTCS |
|
2. |
CHECK FOR OPEN IN CAN BUS WIRES (CLEARANCE WARNING ECU ASSEMBLY BRANCH WIRE) |
(a) Turn the ignition switch off.
(b) Disconnect the clearance warning ECU assembly connector. Text in Illustration
|
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Value |
---|---|---|
D79-17 (R1) - D79-18 (R2) |
Ignition switch off |
54 to 69 Ω |
NG |
REPAIR OR REPLACE CAN BUS BRANCH WIRE (CLEARANCE WARNING ECU ASSEMBLY BRANCH WIRE) |
|
3. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE TERMINAL) |
(a) Turn the ignition switch to ON.
(b) Measure the voltage according to the value(s) in the table below. Standard Voltage:
|
|
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
|
4. |
CHECK HARNESS AND CONNECTOR (GROUND TERMINAL) |
(a) Turn the ignition switch off.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
OK |
REPLACE CLEARANCE WARNING ECU ASSEMBLY |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND TERMINAL) |
Freeze Frame Data
FREEZE FRAME DATA
1. CHECK FREEZE FRAME DATA
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Navigation System / Trouble
Codes.
(e) Select a DTC to ...
Transmission Fluid Pressure Sensor / Switch "E" Circuit Low (P0989,P0990)
DESCRIPTION
ATF pressure switch No. 3 is installed in the lock-up solenoid ATF output passage
and is used to detect a malfunction in the lock-up solenoid.
DTC No.
DTC Detection Condition
Trouble Area
P0989
...
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT TRANSAXLE CASE OIL SEAL
(a) Using SST, remove the front transaxle case oil seal from the transaxle
housing.
SST: 09308-00010
2. REMOVE TRANSAXLE CASE OIL ...