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) |
Installation
INSTALLATION
PROCEDURE
1. INSTALL UNLOCK WARNING SWITCH
(a) Engage the 2 claws and install the unlock warning switch to the steering
column upper bracket.
(b) Extract the key.
(c) Co ...
System Diagram
SYSTEM DIAGRAM
1. CAN AND DIRECT LINE SIGNALS
2. INPUT AND OUTPUT SIGNALS OF THE ACCESSORY METER ASSEMBLY
Warning light or indicator light
Communication Signal
Receiver
Communication Line
Sender
...
PBD Pulse Sensor Malfunction (B2222)
DESCRIPTION
A pulse sensor is built into the power back door ECU (power back door
motor unit) to detect foreign objects and the back door position. The pulse
sensor monitors the operating speed of the back door to detect foreign objects.
Th ...