Diagnosis Procedure

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

1. CHECK IPDM E/R INPUT SIGNAL 
   1. Turn ignition switch ON.
   2. Check voltage between IPDM E/R harness connector and ground.

      (+)		(-)	Condition		Voltage (V) (Approx.)
      IPDM E/R
      Connector	Terminal
      E43	4	Ground	Selector lever	P or N position	Battery voltage
      				Other than above	0

      Is the inspection result normal? 

      YES: GO TO  3.

      NO: GO TO 2.

2. CHECK IPDM E/R INPUT SIGNAL CIRCUIT 
   1. Turn ignition switch OFF.
   2. Disconnect IPDM E/R connector.
   3. Disconnect transmission range switch connector.
   4. Check continuity between IPDM E/R harness connector and transmission range switch harness connector.

      IPDM E/R		Transmission range switch		Continuity
      Connector	Terminal	Connector	Terminal
      E43	4	F26	10	Yes

   5. Check continuity between IPDM E/R harness connector and ground.

      IPDM E/R		Ground	Continuity
      Connector	Terminal
      E43	4		No

      Is the inspection result normal? 

      YES: GO TO  5.

      NO: Repair or replace harness.

3. CHECK BCM INPUT SIGNAL 

   Check voltage between BCM harness connector and ground.

   (+)		(-)	Condition		Voltage (V) (Approx.)
   BCM
   Connector	Terminal
   M83	69	Ground	Selector lever	P or N position	Battery voltage
   				Other than above	0

   Is the inspection result normal? 

   YES: GO TO  5.

   NO: GO TO 4.

4. CHECK BCM INPUT SIGNAL CIRCUIT 
   1. Turn ignition switch OFF.
   2. Disconnect BCM connector.
   3. Disconnect transmission range switch connector.
   4. Check continuity between BCM harness connector and transmission range switch harness connector.

      BCM		Transmission range switch		Continuity
      Connector	Terminal	Connector	Terminal
      M83	69	F26	10	Yes

   5. Check continuity between IPDM E/R harness connector and ground.

      BCM		Ground	Continuity
      Connector	Terminal
      M83	69		No

      Is the inspection result normal? 

      YES: GO TO 5.

      NO: Repair or replace harness.

5. REPLACE BCM 
   1. Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
   2. Perform initialization of BCM using CONSULT.
   3. Perform DTC CONFIRMATION PROCEDURE for B2605. Refer to "DTC LOGIC ".

      Is DTC B2605 detected again? 

      YES: Replace IPDM E/R. Refer to "REMOVAL AND INSTALLATION ".

      NO: Inspection End.