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:

Disassembly
1. REMOVE BACK DOOR GARNISH CENTER Using a clip remover, disengage the 5 clips and remove the garnish center. 2. REMOVE BACK DOOR SIDE GARNISH LH Using a clip remover, disengage the 3 clips and remove the side garnish. 3. REMOVE BACK DOOR SIDE GARNISH RH Using a clip remove ...

Laser high beams
Concept The range of the high beams is increased and ensures an even better illumination of the road. General information When the high beams are switched-on, starting with a speed of approx. 37 mph/60 km/h, the laser high beams in the headlight are automatically switched on in addition to the LED h ...

Access monitor result
(A) select the following menus on the intelligent tester: diagnosis, enhanced obdii, monitor info and monitor result. The monitor status appears after the component name. INCMP: The component has not been monitored yet. PASS: The component is functioning normally. FAIL: The component is ...

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