Wiper and washer
Parts locationVehicle speed signal error (test mode dtc)
Description
The tire pressure warning ecu receives a speed signal from the combination
meter. This dtc is stored
upon entering test mode, and cleared when a vehicle speed signal of 12 mph (20
km/h) is detected for 3
seconds or more. The dtc is output only in test mode.
Wiring diagram ...
On-vehicle inspection
Check fan and generator v belt
Visually check the drive belt for excessive wear,
frayed cords, etc.
If any defect has been found, replace the drive belt.
Hint:
Cracks on the rib side of a drive belt are considered
acceptable.
If the drive belt has chunks missing from the r ...
Inspection
Inspect water pump assembly
Visually check the drain hole for coolant leakage.
If leakage is found, replace the water pump
assembly.
Turn the pulley, and then check that the water pump
bearing moves smoothly without making a "click"
noise.
If it does not move s ...