Last Modified: 11-29-2007 1.6 C
Service Category: Vehicle Exterior Section: Door/Hatch
Model Year: 2008 Model: Sequoia Doc ID: RM000002ADP006X
Title: DOOR / HATCH: BACK DOOR CLOSER SYSTEM: DESCRIPTION (2008 Sequoia)

DTC

B2250

Back Door Closer Operation Malfunction

DESCRIPTION

The power back door ECU inputs signals from the full-latch switch, sector switch and back door courtesy light switch, which are built into the back door lock. Based on these switch signals, the latch position of the back door lock is determined.

DTC No.

DTC Detection Condition

Trouble Area

B2250

While back door closer is operating, malfunction is detected in position information from sector switch within specified amount of time

  • Back door lock
  • Harness or connector
  • Power back door ECU

WIRING DIAGRAM



INSPECTION PROCEDURE

PROCEDURE

1.

INSPECT BACK DOOR LOCK (SECTOR SWITCH)



(a) Remove the back door lock DOOR LOCK: BACK DOOR LOCK: REMOVAL (2008 Sequoia) .

(b) Measure the resistance of the switch.

Standard Resistance:

Tester Connection

Door Lock Latch Position

Specified Condition

3 (FSW) - 4 (E)

Open-latch

Below 1 Ω

3 (FSW) - 4 (E)

Over-latch

10 kΩ or higher

3 (FSW) - 4 (E)

Full-latch

10 kΩ or higher

3 (FSW) - 4 (E)

Half-latch

10 kΩ or higher

(c) Reinstall the back door lock.

OK

2.

CHECK HARNESS AND CONNECTOR (BACK DOOR LOCK - POWER BACK DOOR ECU AND BODY GROUND)


(a) Disconnect the V5 door lock connector.

(b) Disconnect the O30 ECU connector.

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

Standard Resistance:

Tester Connection

Condition

Specified Condition

V5-4 (FSW) - O30-24 (POS)

Always

Below 1 Ω

V5-3 (E) - Body ground

Always

Below 1 Ω

V5-4 (FSW) - Body ground

Always

10 kΩ or higher

(d) Reconnect the door lock and ECU connector.

OK