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) |
Lost Communication with ECM / PCM "A" (U0100,U0129)
DESCRIPTION
The power steering ECU receives signals from the ECM and the brake actuator assembly
(skid control ECU) via the CAN communication system.
DTC No.
DTC Detection Condition
Trouble Area
U0100
...
Disassembly
DISASSEMBLY
PROCEDURE
1. INSPECT CONNECTING ROD THRUST CLEARANCE
(a) Using a dial indicator, measure the thrust clearance while moving
the connecting rod back and forth.
Standard thrust clearance:
0.160 to 0.512 mm (0.00630 to 0.0202 i ...
How To Use This Manual
General Information
GENERAL INFORMATION
1. GENERAL DESCRIPTION
(a) This manual is written in accordance with SAE J2008.
(b) Repair operations can be separated mainly into the following 3 processes:
(1) Diagnosis
(2) Removing / Installing, Replacing, Di ...