DESCRIPTION
Connecting terminals TC and CG of the DLC3 causes the ECU to display the DTC by blinking the ABS warning light and slip indicator light.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
When replacing the skid control ECU (brake actuator assembly), perform zero point
calibration and store system information (See page
).
PROCEDURE
1. |
CHECK CAN COMMUNICATION SYSTEM |
(a) Check if CAN communication system DTCs are output (See page
).
Result |
Proceed to |
---|---|
DTC is not output |
A |
DTC is output |
B |
B | ![]() |
CHECK CAN COMMUNICATION SYSTEM |
|
2. |
INSPECT DLC3 |
(a) Turn the ignition switch to ON. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
D4-13 (TC) - D4-4 (CG) |
Ignition switch ON |
11 to 14 V |
*a |
Front view of DLC3 |
NG | ![]() |
GO TO STEP 4 |
|
3. |
REPLACE ECM |
(a) Turn the ignition switch off. |
|
(b) Replace the ECM.
(c) Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.
SST: 09843-18040
(d) Check that the ABS warning and slip indicator lights are blinking.
OK:
The ABS warning and slip indicator lights are blinking.
Text in Illustration
*a |
Front view of DLC3 |
OK | ![]() |
END |
NG | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
4. |
CHECK HARNESS AND CONNECTOR (TC of DLC3 - ECM) |
(a) Turn the ignition switch off.
(b) Disconnect the E13*1, E21*2 ECM connector.
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
for 2GR-FKS:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D4-13 (TC) - E14-20 (TC) |
Always |
Below 1 Ω |
D4-13 (TC) or E14-20 (TC) - Body ground |
Always |
10 kΩ or higher |
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D4-13 (TC) - E21-19 (TC) |
Always |
Below 1 Ω |
D4-13 (TC) or E21-19 (TC) - Body ground |
Always |
10 kΩ or higher |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
5. |
CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND) |
(a) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
6. |
REPLACE ECM |
(a) Replace the ECM.
|
|
(b) Using SST, connect terminals 13 (TC) and 4 (CG) of the DLC3.
SST: 09843-18040
(c) Check that the ABS warning and slip indicator lights are blinking.
OK:
The ABS warning and slip indicator lights are blinking.
Text in Illustration
*a |
Front view of DLC3 |
OK | ![]() |
END |
NG | ![]() |
REPLACE BRAKE ACTUATOR ASSEMBLY |
Lost Communication With Vehicle Dynamics Control Module (U0122)
DESCRIPTION
This DTC is detected if communication is lost with the skid control ECU (brake
actuator assembly).
DTC No.
Detection Item
DTC Detection Condition
Trouble Area
U0122
Lost Communication with Vehicle Dynamics Contro ...
Internal Control Module EEPROM Data Memory Failure (P062F44)
DESCRIPTION
The ECM monitors its internal operation and it will set this DTC when it detects
an internal malfunction.
DTC No.
DTC Detection Condition
Trouble Area
SAE
P062F44
ECM internal error (EEPROM)
ECM
...
Removal
REMOVAL
PROCEDURE
1. REMOVE AIR CONDITIONING CONTROL ASSEMBLY (for Automatic Air Conditioning System)
(See page )
2. REMOVE INTEGRATION PANEL SUB-ASSEMBLY (for Manual Cooler System)
(See page )
3. REMOVE TRANSFER POSITION SWITCH
(a) Detach the 2 claws to remove the transfer pos ...