DESCRIPTION
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
U0100 |
No communication from the ECM continues. |
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
HINT:
PROCEDURE
1. |
RECONFIRM DTC OUTPUT |
(a) Reconfirm DTCs.
HINT:
If CAN power management bus DTC U1002 is output from the power management control ECU (Techstream display: PM2 Gateway), troubleshoot for U1002 and check for malfunctions in the power management main bus circuit.
Result |
Proceed to |
---|---|
U1002 is not output from power management control ECU (Techstream display: PM2 Gateway) |
A |
U1002 is output from power management control ECU (Techstream display: PM2 Gateway) |
B |
B |
REPAIR CIRCUITS INDICATED BY OUTPUT DTCS |
|
2. |
CHECK FOR OPEN IN CAN BUS WIRES (ECM MAIN WIRE/POWER MANAGEMENT BUS) |
(a) Turn the ignition switch off.
(b) Disconnect the ECM connector. Text in Illustration
|
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A49-12 (CANP) - A49-4 (CANN)*1 |
Ignition switch off |
108 to 132 Ω |
A41-8 (CANP) - A41-9 (CANN)*2 |
Ignition switch off |
108 to 132 Ω |
*1: for 1AR-FE
*2: for 2GR-FE
NG |
REPAIR OR REPLACE CAN BUS MAIN WIRE OR CONNECTOR (ECM MAIN WIRE) |
|
3. |
CHECK ECM POWER SOURCE CIRCUIT |
(a) Check the ECM power source circuit.
HINT:
Result |
Proceed to |
---|---|
OK (for 2GR-FE) |
A |
OK (for 2AR-FE) |
B |
NG |
C |
HINT:
If there is no abnormality in the ECM power source circuit, replace the ECM.
A |
REPLACE ECM |
B |
REPLACE ECM |
C |
REPAIR OR REPLACE ECM POWER SOURCE CIRCUIT |
Front Door Speaker
Components
COMPONENTS
ILLUSTRATION
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system (Se ...
Steering Angle Sensor Circuit Malfunction (C1231/31)
DESCRIPTION
The steering angle sensor signal is sent to the skid control ECU via the CAN
communication system. When there is a malfunction in the CAN communication system,
it will be detected by the steering angle sensor zero point malfunction diagnostic ...
Components
COMPONENTS
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
ILLUSTRATION
...