DESCRIPTION
Detection Item |
Symptom |
Trouble Area |
---|---|---|
Power Steering ECU Communication Stop Mode |
|
|
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
HINT:
PROCEDURE
1. |
CHECK CAN BUS WIRE FOR DISCONNECTION (POWER STEERING ECU BRANCH WIRE) |
(a) Turn the ignition switch off.
(b) Disconnect the connector of the power steering 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 |
---|---|---|
D20-1 (CANH) - D20-7 (CANL) |
Ignition switch off |
54 to 69 Ω |
NG | ![]() |
REPAIR OR REPLACE CAN BUS BRANCH WIRE OR CONNECTOR (POWER STEERING 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:
|
|
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER SOURCE CIRCUIT) |
|
3. |
CHECK HARNESS AND CONNECTOR (GROUND TERMINAL) |
(a) Turn the ignition switch off.
(b) Disconnect the connector of the power steering ECU. Text in Illustration
|
|
(c) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
D19-2 (PGND) - Body ground |
Always |
Below 1 Ω |
OK | ![]() |
REPLACE POWER STEERING ECU |
NG | ![]() |
REPAIR OR REPLACE HARNESS OR CONNECTOR (GROUND CIRCUIT) |
Installation
INSTALLATION
PROCEDURE
1. TEMPORARILY TIGHTEN COMPRESSOR AND MAGNETIC CLUTCH
(a) Temporarily install the compressor and magnetic clutch and bracket
with the 4 bolts.
2. INSTALL COMPRESSOR AND MA ...
Diagnosis System
DIAGNOSIS SYSTEM
1. DESCRIPTION
(a) Sliding roof system data and Diagnostic Trouble Codes (DTCs) can be read
through the vehicle Data Link Connector 3 (DLC3). When the system seems to be malfunctioning,
use the Techstream to check for malfunctions and pe ...
Installation
INSTALLATION
PROCEDURE
1. INSTALL REAR POWER POINT SOCKET COVER
(a) Engage the 2 claws to install the rear power point socket cover.
2. INSTALL REAR POWER POINT SOCKET ASSEMBLY
(a) Engag ...