Toyota Camry (XV70): PIG Power Supply Voltage (C1552,C1554)
DESCRIPTION
When a problem occurs in the PIG power source and power supply relay system, the fail-safe function works to stop the power assist.
|
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 is turned to ON again |
- |
| C1554 |
Power Supply Relay Failure |
Power source relay circuit malfunction |
| EPS warning light: Comes on |
Ignition switch is turned to ON again |
- |
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
- If the rack and pinion power steering gear assembly has been replaced, perform assist map writing and torque sensor zero point calibration.
Click here
.gif)
- Inspect the fuses for circuits related to this system before performing the following procedure.
PROCEDURE
|
1. | CHECK HARNESS AND CONNECTOR (RACK AND PINION POWER STEERING GEAR ASSEMBLY - BODY GROUND) |
(a) Disconnect the C71 rack and pinion power steering gear assembly connector.
|
*a | Front view of wire harness connector (to Rack and Pinion Power Steering Gear Assembly) |
- | - |
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
C71-8 (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:
|
Tester Connection | Condition |
Specified Condition |
|---|---|---|
|
C71-7 (PGND) - Body ground |
Always | Below 1 Ω |
| OK | .gif) |
REPLACE RACK AND PINION POWER STEERING GEAR ASSEMBLY
|
| NG | |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
READ NEXT:
Error in Matching of ECUs (C1567)
DESCRIPTION The power steering ECU (rack and pinion power steering gear assembly) determines whether an incompatible ECM, main body ECU (multiplex network body ECU) or skid control ECU (brake actuator
Assist Map Number Un-Writing (C1581)
DESCRIPTION This DTC will be stored if the power steering ECU (rack and pinion power steering gear assembly) determines that the assist map is not written in the ECU.
DTC No. Detection Item
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 steering ECU
SEE MORE:
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
NOTICE:
Before replacing the main body ECU (multiplex network body ECU), refer to Registration.*
Click here
*: w/ Smart Key System
HINT:
Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are lis
Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT
NOTICE:
Do not disconnect the tube shown in the illustration when disassembling the fuel suction tube with pump and gauge assembly. Doing so will cause reassembly of the fuel suction tube with pump and gauge assembly to be impossible as the tube is pressed i
