DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Power Steering ECU Communication Stop Mode |
Any of the following conditions are met:
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
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DTC check procedure: Turn the LDA main switch on and then drive the vehicle at a speed of 20 km/h (12 mph) or more for approximately 5 minutes or more.
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HINT:
PROCEDURE
1. |
CHECK FOR OPEN IN CAN BUS LINES (POWER STEERING ECU ASSEMBLY BRANCH LINE) |
(a) Disconnect the cable from the negative (-) battery terminal.
(b) Disconnect the power steering ECU assembly connector.
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
NG | ![]() |
REPAIR OR REPLACE CAN BRANCH LINES OR CONNECTOR (POWER STEERING ECU ASSEMBLY) |
|
2. |
CHECK HARNESS AND CONNECTOR (POWER SOURCE CIRCUIT) |
(a) Disconnect the power steering ECU assembly connector.
(b) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
(c) Reconnect the cable to the negative (-) battery terminal.
(d) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F23-1 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
OK | ![]() |
REPLACE POWER STEERING ECU ASSEMBLY |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
Toyota CH-R Owners Manual > Dynamic radar cruise control with full-speed range: Driving in vehicle-to-vehicle distance control mode
This mode employs a radar sensor to detect the presence of vehicles up to approximately
328 ft. (100 m) ahead, determines the current vehicle-to-vehicle following distance,
and operates to maintain a suitable following distance from the vehicle ahead.
Note that vehicle-to-vehicle distance will ...
Toyota CH-R Service Manual > Steering Lock System: Terminals Of Ecu
TERMINALS OF ECU
TERMINAL INSPECTION
*a
Component without harness connected
(Steering Lock ECU (Steering Lock Actuator or Upper Bracket Assembly))
-
-
(a) Measure the voltage and resistance according to the value(s) in the table
below.
...