All Door Entry Lock and Unlock Functions Do Not Operate

DOOR LOCK: SMART ACCESS SYSTEM WITH PUSH-BUTTON START: All Door Entry Lock and Unlock Functions do not Operate
- All Door Entry Lock and Unlock Functions do not Operate

DESCRIPTION

When the key cancel function is ON, all entry functions will stop operating. If the key cancel function is operated but all entry functions stop operating, one of the following is malfunctioning: 1)key cancel function, 2) certification ECU, or 3) wire harness.

INSPECTION PROCEDURE

PROCEDURE

1. CHECK ALL DOOR ENTRY LOCK AND UNLOCK OPERATION

(a) Check that the all door entry lock and unlock functions operate normally.

Result:





HINT
If the entry lock and unlock functions do not operate for a certain door, refer to the problem symptoms table.

B -- CHECK MANUAL DOOR LOCK OPERATION
A -- Continue to next step.

2. CHECK WIRELESS DOOR LOCK AND UNLOCK OPERATION

(a) Check that the wireless door lock and unlock functions operate normally.

OK:

Wireless door lock and unlock functions operate normally.

NG -- GO TO WIRELESS DOOR LOCK CONTROL FUNCTION
OK -- Continue to next step.

3. CHECK OPERATION OF KEY

(a) After replacing the key with a normal one, check that the entry lock and unlock functions operate normally.

OK:

Entry lock and unlock functions operate normally.

NG -- REPLACE CERTIFICATION ECU ASSEMBLY

OK -- END (KEY IS DEFECTIVE)

4. CHECK MANUAL DOOR LOCK OPERATION

(a) Check that the manual door lock function operates normally.

OK:

Manual door lock function operates normally.

NG -- GO TO POWER DOOR LOCK CONTROL SYSTEM
OK -- Continue to next step.

5. READ VALUE USING TECHSTREAM (DOOR COURTESY SWITCH)

(a) Check the DATA LIST for proper functioning of the each door courtesy switch.

Multiplex Network Master Switch Assembly:





Multiplex Network Door ECU front RH:





Multiplex Network Door ECU rear LH:





Multiplex Network Door ECU rear RH:





Multiplex Network Body ECU:





OK:

ON (door courtesy switch is pushed) appears on the screen.

NG -- GO TO LIGHTING SYSTEM

OK -- REPLACE COWL SIDE JUNCTION BLOCK LH ASSEMBLY