Toyota RAV4 manuals

Toyota Sienna Service Manual: Vehicle Speed Signal Error (Test Mode DTC)

DTC C2191/91 Vehicle 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. This DTC is output only in test mode.

Vehicle Speed Signal Error (Test Mode DTC)

WIRING DIAGRAM

Vehicle Speed Signal Error (Test Mode DTC)

INSPECTION PROCEDURE

NOTICE:

1 READ VALUE ON INTELLIGENT TESTER

(a) Make sure that the ignition switch is off.

(b) Connect the intelligent tester to the DLC3.

(c) Turn the ignition switch to the ON position.

(d) Select the item below in the Data List, and read the value displayed on the intelligent tester.

HINT: Enter the following menus: DIAGNOSIS / OBD/MOBD / METER / DATA LIST.

METER:

(e) Check that the values indicated on the tester and on the combination meter are the same.

OK: Vehicle speed indicated on the intelligent tester indicates the actual speed.

2 CHECK HARNESS AND CONNECTOR (ECU - COMBINATION METER)

CHECK HARNESS AND CONNECTOR (ECU - COMBINATION METER)

(a) Disconnect the T15 ECU connector.

(b) Disconnect the C10 meter connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard resistance

REPLACE TIRE PRESSURE WARNING ECU (See page TW-87)

Initialization not Completed
DTC C2177/77 Initialization not Completed DESCRIPTION Initialization is necessary after replacing any of the ECUs, tires with different tire pressure, or tire pressure warning valve and transmitt ...

Tire Pressure Warning Reset Switch Circuit
DESCRIPTION The ECU enters the initialization mode and performs initialization automatically, when the tire pressure warning ECU receives the signal from the tire pressure warning reset switch. If ...

Other materials:

Catalyst System Efficiency Below Threshold
MONITOR DESCRIPTION The ECM uses the sensors mounted in front of and behind the three-way catalyst (TWC) to monitor its efficiency. The first sensor, an Air Fuel ratio (A/F) sensor, sends pre-catalyst A/F ratio information to the ECM. The second sensor, a heated oxygen sensor (O2S), sends ...

Tire size
Typical tire size information The illustration indicates typical tire size. Tire use (P = Passenger car, T = Temporary use) Section width (millimeters) Aspect ratio (tire height to section width) Tire construction code (R = Radial, D = Diagonal) Wheel diameter (inches) ...

Replacing a flat tire
Chock the tires. Slightly loosen the wheel nuts (one turn). Turn the tire jack portion A by hand until the notch of the jack is in contact with the jack point. The jack point guides are located on the side of rocker moulding. They indicate the jack point po ...

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