DESCRIPTION
In Test Mode (signal check), a malfunction in the speed sensor that cannot be detected when the vehicle is stopped can be detected while driving.
Sensor check mode can be entered by connecting terminals TS and CG of the DLC3 and turning the engine switch from off to on (IG).
WIRING DIAGRAM
CAUTION / NOTICE / HINT
Note
When replacing the skid control ECU (brake actuator assembly), perform zero point calibration and store system information.
PROCEDURE
CHECK CAN COMMUNICATION SYSTEM
Check if CAN communication system DTCs are output.
for LHD: Click here
for RHD: Click here
| Result | |||
|---|---|---|---|
|
| DTC is output |
|
CHECK CAN COMMUNICATION SYSTEM for LHD: Click here |
| DTC is not output |
|
INSPECT DLC3
| *a | Front view of DLC3 |
Turn the engine switch on (IG).
Measure the voltage according to the value(s) in the table below.
| Standard Voltage | ||||||
|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
CHECK HARNESS AND CONNECTOR (TS of DLC3 - POWER STEERING ECU ASSEMBLY) Click here |
| OK |
|
CHECK POWER STEERING ECU ASSEMBLY (TS of DLC3 INPUT)
| *a | Front view of DLC3 |
Turn the engine switch off.
Using SST, connect terminals 12 (TS) and 4 (CG) of the DLC3.
Check that the EPS warning light is blinking.
| OK |
|---|
| The EPS warning light is blinking. |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE BRAKE ACTUATOR ASSEMBLY Click here |
| NG |
|
REPLACE POWER STEERING ECU ASSEMBLY for Power Tilt and Power Telescopic Steering Column: Click here |
CHECK HARNESS AND CONNECTOR (TS of DLC3 - POWER STEERING ECU ASSEMBLY)
Turn the engine switch off.
Disconnect the n2*1 or n3*2 power steering ECU assembly connector.
*1: for Power Tilt and Power Telescopic Steering Column
*2: for Manual Tilt and Manual Telescopic Steering Column
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
|||||||||
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK HARNESS AND CONNECTOR (CG of DLC3 - BODY GROUND)
| *a | Front view of DLC3 |
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | ||||||
|---|---|---|---|---|---|---|
|
| Result | |||
|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
CHECK POWER STEERING ECU ASSEMBLY (TS of DLC3 INPUT)
| *a | Front view of DLC3 |
Reconnect the n2*1 or n3*2 power steering ECU connector.
*1: for Power Tilt and Power Telescopic Steering Column
*2: for Manual Tilt and Manual Telescopic Steering Column
Using SST, connect terminals 12 (TS) and 4 (CG) of the DLC3.
Check that the EPS warning light is blinking.
| OK |
|---|
| The EPS warning light is blinking. |
| Result | |||
|---|---|---|---|
|
| OK |
|
REPLACE BRAKE ACTUATOR ASSEMBLY Click here |
| NG |
|
REPLACE POWER STEERING ECU ASSEMBLY for Power Tilt and Power Telescopic Steering Column: Click here |