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) |
Diagnostic Trouble Code Chart
DIAGNOSTIC TROUBLE CODE CHART
Audio and Visual System
DTC Code
Detection Item
See page
B1532
LVDS Signal Malfunction (from Extension Module)
B1551
HD Radio ...
Cruise Control Input Processor (P1607)
MONITOR DESCRIPTION
The ECM continuously monitors its main and sub CPUs while cruise control is operating.
This self-check ensures that the ECM is functioning properly. If outputs from the
CPUs are different and deviate from the standard, the ECM illumina ...
Driver Side Door Entry Unlock Function does not Operate
DESCRIPTION
If the driver door entry lock function operates normally, but its entry unlock
function does not, this means that the request code from the driver door is being
output normally. In this case, a malfunction in the touch sensor circuit (from the ...