INSPECTION
PROCEDURE
1. INSPECT NO. 1 ULTRASONIC SENSOR
(a) Measure the resistance according to the value(s) in the table below.
Standard Resistance:
Tester Connection |
Condition |
Specified Condition |
---|---|---|
1 (E) - 2 (S) |
Always |
20 to 40 kΩ |
If the result is not as specified, replace the No. 1 ultrasonic sensor.
Terminals Of Ecu
TERMINALS OF ECU
1. CHECK FRONT POWER SEAT SWITCH LH
(a) Disconnect the b18 and b19 connectors from the front power seat switch LH.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Terminal No. (Symbol)
...
Vehicle Speed or Engine Speed Signal Malfunction (C2173/73)
DESCRIPTION
The tire pressure warning ECU receives a vehicle speed signal from the combination
meter and an engine speed signal from the ECM. The tire pressure warning ECU uses
these signals to store DTCs C2121/21 to C2124/24 or C2125/25*.
*: w/ S ...