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 Service Manual > Name Plate: Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
When removing the name plates, heat the vehicle body, back door outside garnish
and name plates using a heat light.
Heating Temperature
Item
Temperature
Vehicle Body
40 to 60°C (104 to 140°F)
...
Toyota CH-R Service Manual > Steering Lock System: Diagnosis System
DIAGNOSIS SYSTEM
DESCRIPTION
(a) The steering lock ECU (steering lock actuator or upper bracket assembly)
stores DTCs when a malfunction occurs in the system. These DTCs can be confirmed
by using the Techstream.
NOTICE:
When using the Techstream with the engine switch off to confirm ...
Toyota CH-R Owners Manual
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Toyota CH-R Service Manual
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