Power Distribution System

B261A POWER SWITCH

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Press power switch (push switch) under the following conditions, and wait for 1 second or more.
-Shift position is in the P position
-Do not depress brake pedal
2.Check "Self-diagnosis result" of BCM with CONSULT.
Is DTC detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK POWER SWITCH (PUSH SWITCH) OUTPUT SIGNAL

1.Disconnect power switch connector and IPDM E/R connector.
2.Check voltage between power switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 2.

2. CHECK POWER SWITCH CIRCUIT (BCM)

1.Disconnect BCM connector.
2.Check continuity between BCM harness connector and power switch harness connector.





3.Check continuity between power switch harness connector and ground.





Is the inspection result normal?
YES- Replace BCM. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace harness.

3. CHECK POWER SWITCH (PUSH SWITCH) OUTPUT SIGNAL (IPDM E/R)

Check voltage between IPDM E/R harness connector and ground.





Is the inspection result normal?
YES- Replace IPDM E/R.
NO- GO TO 4.

4. CHECK POWER SWITCH (PUSH SWITCH) CIRCUIT (IPDM E/R)

1.Disconnect BCM connector.
2.Check continuity between IPDM E/R harness connector and power switch harness connector.





3.Check continuity between power switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace harness.

5. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END