Diesel Data: Automotive Repair

B2282








1NZ-FXE STARTING: SMART KEY SYSTEM: B2282: Vehicle Speed Signal Malfunction

DTC B2282 - Vehicle Speed Signal Malfunction

DESCRIPTION

The power source control ECU and the combination meter are connected by a cable and the BEAN. This DTC is output when: 1) the cable information and BEAN information are inconsistent; and 2) a malfunction is detected between the vehicle speed sensor and combination meter.






WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. READ VALUE USING DATA LIST (VEHICLE SPEED SIGNAL)
(a) Connect Techstream to the DLC3.
(b) Turn the power switch ON (IG) and press Techstream main switch ON.
(c) Read the DATA LIST according to the displays on the tester.

Power source control ECU





OK:
STOP (vehicle is stopped) appears on the screen.
OK -- REPLACE POWER SOURCE CONTROL ECU
NG -- Continue to next step.

2. CHECK WIRE HARNESS (POWER SOURCE CONTROL ECU - IG2 JOINING CONNECTOR)




(a) Disconnect the P6 connector.
(b) Disconnect the IG2 connector.
(c) Measure the resistance of the wire harness side connectors.
Standard resistance:






NG -- REPAIR OR REPLACE HARNESS AND CONNECTOR
OK -- Continue to next step.

3. CHECK OPERATION OF POWER SOURCE CONTROL ECU
(a) After replacing the power source control ECU with a normally functioning ECU, check that the hybrid control system can start normally.
OK:
Hybrid control system can start normally.
NG -- GO TO METER / GAUGE SYSTEM
OK -- NORMAL (POWER SOURCE CONTROL ECU DEFECTIVE)