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Fig. 38: Door Closer Motor Malfunction On Rear Left Side Door - Description Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
WIRING DIAGRAM
Fig. 39: Door Closer Motor Malfunction On Rear Left Side Door
- Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
INSPECTION PROCEDURE
1.READ VALUE OF DATA LIST (CAM POSITION SWITCH)
a. Check the DATA LIST for proper functioning of the cam position switches.
REAR DOOR ECU LH
Item
Measurement item/ Display
(Range)
Normal ConditionDiagnostic Note
CAM POS
SW3Cam position switch 3
(OFF/ON)Refer to system description of closer
motor and position switch (SEE
SYSTEM DESCRIPTION
)
-
CAM POS
SW2Cam position switch 2
(OFF/ON)Refer to system description of closer
motor and position switch (SEE
SYSTEM DESCRIPTION
)
-
CAM POS
SW1Cam position switch 1
(OFF/ON)Refer to system description of closer
motor and position switch (SEE -
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OK: "ON" (cam position switch 1 to 3 is ON) appears on the screen.
NG: Go to step 2
OK: REPLACE REAR DOOR ECU LH
2.CHECK REAR DOOR LOCK ASSY LH (CAM POSITION SWITCH)
a. Measure the switch resistance.
Standard:
Fig. 40: Terminals Resistance Reference Chart
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
SYSTEM DESCRIPTION )
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Fig. 41: Checking Rear Door Lock Assy LH (Cam Position Switch)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
Refer to the system description for the ON/OFF patterns of the cam position switch (SEE SYSTEM
DESCRIPTION ).
NG: REPLACE REAR DOOR LOCK ASSY LH
OK: REPLACE REAR DOOR ECU LH
CIRCUIT DESCRIPTION
This circuit supplies power to operate the driver door ECU.
WIRING DIAGRAM
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Fig. 42: Driver Door ECU Power Source Circuit - Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
INSPECTION PROCEDURE
1.INSPECT FUSE (MPX-IG, AM1, D DOOR, MPX-B1, D/C CUT)
a. Remove the MPX-IG and AM1 fuses from the driver side J/B.
b. Remove the D DOOR and MPX-B1 fuses from the passenger side J/B.
c. Remove the D/C CUT fuse from the FL block assy.
d. Measure the resistance.
Standard: Below 1 ohms
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NG: REPLACE FUSE
OK: Go to Next Step.
2.INSPECT RELAY (Marking: D-IG1)
a. Remove the D-IG1 relay from the driver side J/B.
b. Measure the resistance.
TERMINALS RESISTANCE REFERENCE
Fig. 43: Inspecting Relay (D
-IG1)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
NG: REPLACE RELAY
OK: Go to Next Step.
3.CHECK WIRE HARNESS (DRIVER DOOR ECU - BATTERY AND BODY GROUND)
a. Disconnect the D25 ECU connector.
Tester ConnectionSpecified Condition
3 - 510 kohms or higher
3 - 5Below 1 ohms (when battery voltage is applied to terminals 1 and 2)
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b. Measure the voltage and resistance of the wire harness side connector.
Fig. 44: Checking Wire Harness (Driver Door ECU
- Body Ground)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TERMINALS VOLTAGE AND RESISTANCE REFERENCE
NG: REPAIR OR REPLACE HARNESS AND CONNECTOR
OK: PROCEED TO NEXT CIRCUIT INSPECTION SHOWN ON PROBLEM SYMPTOMS
TABLE
CIRCUIT DESCRIPTION
Tester ConnectionConditionSpecified Condition
D25-1 (GND) - Body groundAlwaysBelow 1 ohms
D25-4 (CPUB) - Body groundAlways10 to 14 V
D25-6 (BDR) - Body groundAlways10 to 14 V
D25-5 (SIG) Body groundIgnition switch ON10 to 14 V
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This circuit supplies power to operate the passenger door ECU.
WIRING DIAGRAM
Fig. 45: Passenger Door ECU Power Source Circuit
- Wiring Diagram
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
INSPECTION PROCEDURE
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1.INSPECT FUSE (MPX-IG, AM1, P DOOR, MPX-B1, D/C CUT)
a. Remove the MPX-IG and AM1 fuses from the driver side J/B.
b. Remove the P DOOR and MPX-B1 fuses from the passenger side J/B.
c. Remove the D/C CUT fuse from the FL block assy.
d. Measure the resistance.
Standard: Below 1 ohms
NG: REPLACE FUSE
OK: Go to Next Step.
2.INSPECT RELAY (Marking: D-IG1)
a. Remove the D-IG1 relay from the driver side J/B.
b. Measure the resistance.
Fig. 46: Inspecting Relay (D
- IG1)
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
TERMINALS RESISTANCE REFERENCE
Terminal No.Specified Condition
3 - 510 kohms or higher