DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Skid Control ECU Communication Stop Mode |
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
HINT:
PROCEDURE
1. |
CHECK CAN BUS WIRE FOR DISCONNECTION (SKID CONTROL ECU BRANCH WIRE) |
(a) Turn the ignition switch off.
(b) Disconnect the connector of the skid control ECU. Text in Illustration
|
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
A42-35 (CANH) - A42-14 (CANL) |
Ignition switch off |
54 to 69 Ω |
NG | ![]() |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (SKID CONTROL ECU BRANCH WIRE) |
|
2. |
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:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
A42-28 (IG1) - Body ground |
Ignition switch ON |
11 to 14 V |
*1 |
Front view of wire harness connector (to Skid Control ECU) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
|
3. |
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:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
A42-4 (GND1) - Body ground |
Always |
Below 1 Ω |
*1 |
Front view of wire harness connector (to Skid Control ECU) |
OK | ![]() |
REPLACE BRAKE ACTUATOR (SKID CONTROL ECU) |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT) |
On-vehicle Inspection
ON-VEHICLE INSPECTION
PROCEDURE
1. INSPECT COOLER CONDENSER ASSEMBLY
(a) If the cooler condenser assembly fins are dirty, clean them with water and
dry with compressed air.
NOTICE:
Do not damage the cooler condenser assembly fins.
(b) If any cooler con ...
Fail-safe Chart
FAIL-SAFE CHART
1. HID Headlight System
(a) Light Control ECU
(1) The light control ECU stops illuminating the HID headlights when any of the
following abnormalities are detected.
Condition
Content
Open in output si ...
Lost Communication with ECM (U0100-U0142,U0155)
DESCRIPTION
DTC No.
DTC Detecting Condition
Trouble Area
U0100
No communication with ECM
CAN communication system
ECM
U0131
No commu ...