Toyota CH-R Service Manual: PIG Power Supply Voltage (C1552,C1554)
DESCRIPTION
If a problem occurs in the system, the power source relay circuit and the motor relay circuit are shut off to stop power assist. The ECU must be replaced when there is a problem with the relays because the relays are built into the ECU.
|
DTC No. |
Detection Item |
DTC Detection Condition |
Trouble Area |
Warning Indicate |
Return-to-normal Condition |
Note |
|---|---|---|---|---|---|---|
|
C1552 |
PIG Power Supply Voltage |
PIG power source circuit malfunction |
|
EPS warning light: Comes on |
Ignition switch ON again |
- |
|
C1554 |
Power Supply Relay Failure |
Power source relay circuit malfunction |
|
EPS warning light: Comes on |
Ignition switch ON again |
- |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- If the power steering ECU assembly has been replaced, perform assist
map writing and torque sensor zero point calibration.
Click here
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- Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
|
1. |
CHECK HARNESS AND CONNECTOR (POWER STEERING ECU ASSEMBLY - BODY GROUND) |
(a) Disconnect the F68 power steering ECU assembly connectors.
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection |
Condition |
Specified Condition |
|---|---|---|
|
F68-1 (PIG) - Body ground |
Ignition switch ON |
9 to 16 V |
|
(c) Measure the resistance according to the value(s) in the table below. Standard Resistance:
|
|
| OK | .gif) |
REPLACE POWER STEERING ECU ASSEMBLY |
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Assist Map Number Mismatch (C1582)
DESCRIPTION
When an incorrect ECM, main body ECU (multiplex network body ECU) or skid control
ECU (brake actuator assembly) is installed after the assist map has been written
to the power steerin ...
Torque Sensor1 (C1511-C1514,C1517)
DESCRIPTION
The torque sensor converts the rotational torque received from the steering wheel
into electric signals and sends them to the power steering ECU assembly.
DTC No.
...
Other materials:
Toyota CH-R Owners Manual > For safe use: Before driving
Floor mat
Use only floor mats designed specifically for vehicles of the same model and
model year as your vehicle. Fix them securely in place onto the carpet.
1. Insert the retaining hooks (clips) into the floor mat eyelets.
2. Turn the upper knob of each retaining hook (clip) to secure t ...
Toyota CH-R Service Manual > Safety Connect System: Unable To Connect To Call Center
DESCRIPTION
This may occur when the intensity of telephone radio frequency was very weak,
or the safety connect system has a malfunction and a DTC is set.
PROCEDURE
1.
CHECK COMMUNICATION SERVICE CONDITION
(a) Move the vehicle.
(1) If the vehicle is outside the ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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KIA Niro EV / Hybrid (SG2) - (2021-2023) - Owner's manual
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