DESCRIPTION
This is the power source for the tire pressure warning ECU.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
CHECK HARNESS AND CONNECTOR (ECU - BATTERY) |
(a) Disconnect the F7 ECU connector. |
|
(b) Measure the voltage according to the value(s) in the table below.
Standard Voltage:
Tester Connection |
Switch Condition |
Specified Condition |
---|---|---|
F7-7 (IG) - Body ground |
Ignition switch ON |
11 to 14 V |
Ignition switch off |
Below 1 V |
*a |
Front view of wire harness connector (to Tire Pressure Warning ECU) |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
|
2. |
CHECK HARNESS AND CONNECTOR (ECU - BODY GROUND) |
(a) Disconnect the F7 ECU connector. |
|
(b) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
F7-9 (GND) - Body ground |
Always |
Below 1 Ω |
*a |
Front view of wire harness connector (to Tire Pressure Warning ECU) |
OK |
REPLACE TIRE PRESSURE WARNING ECU |
NG |
REPAIR OR REPLACE HARNESS OR CONNECTOR |
Engine Coolant Temperature Receiver Gauge Malfunction
DESCRIPTION
In this circuit, the meter CPU receives engine coolant temperature signals from
the ECM using the CAN communication system. The meter CPU displays the engine coolant
temperature, which is calculated based on the data received from the ECM.
WI ...
ECU Circuit (61)
DESCRIPTION
When the internal circuit of the side auto step controller ECU assembly malfunctions,
the side auto step controller ECU assembly halts the operation of the system.
DTC No.
DTC Detection Condition
Trouble Area
...