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 |
Inspection
INSPECTION
PROCEDURE
1. INSPECT FRONT DRIVE SHAFT ASSEMBLY
NOTICE:
Keep the drive shaft level while handling it.
(a) Check if there is excessive play in the outboard joint.
(b) Check if the inboard joint shaft slides smoothly in the thrust direction.
...
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable
is reconnected (See page ).
2. REMOVE FRONT WHEELS
3. REMOVE NO. 1 ENGINE UNDER COVER SUB-AS ...