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 detect DTCs C2121/21 to C2124/24 (No Signal from Transmitter).
DTC No. |
DTC Detection Condition |
Trouble Area |
---|---|---|
C2173/73 |
When either of the following conditions is met for a total of 15 minutes: (a) No engine speed signal while vehicle speed is 8 km/h (5 mph) or more (b) No vehicle speed signal while engine speed is a specified value |
|
HINT:
This DTC is set at the same time as DTCs C2121/21 to C2124/24 are being set.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
PROCEDURE
1. |
PERFORM SIGNAL CHECK (VEHICLE SPEED SIGNAL AND ENGINE SPEED SIGNAL) |
(a) Enter the signal check mode in Test Mode Procedure (See page ).
(b) Drive the vehicle at 20 km/h (12 mph) or more for 10 seconds to clear DTC C2191/91.
(c) Start the engine and allow it to run at 1000 rpm for 3 seconds or more to clear DTC C2194/94.
(d) Check for signal check DTCs.
Result |
Proceed to |
---|---|
DTCs C2191/91 and C2194/94 are cleared |
A |
DTC C2191/91 is output |
B |
DTC C2194/94 is output |
C |
HINT:
DTCs C2181/81 to C2184/84 (Transmitter ID not Received) are output at this time, but they are not related to this check.
A |
USE SIMULATION METHOD TO CHECK |
B |
GO TO DTC C2191/91 |
C |
GO TO DTC C2194/94 |
Removal
REMOVAL
CAUTION / NOTICE / HINT
HINT:
Use the same procedure for the RH side and LH side.
The procedure listed below is for the LH side.
PROCEDURE
1. PRECAUTION
CAUTION:
Be sure to read Precaution thoroughly before servicing (See page
...
Terminals Of Ecu
TERMINALS OF ECU
1. A/C AMPLIFIER
HINT:
Check from the rear of the connector while it is connected to the A/C amplifier.
Terminal No.
(Symbol)
Wiring Color
Terminal Description
Condition
Specified ...
Trailer Tongue Weight
• A recommended tongue weight varies in accordance with the types of trailers
or towing as described below.
• To ensure the recommended values shown below, the trailer must be loaded by
referring to the following instructions.
• Tongue Weight The g ...