From 08/2009

THEFT DETERRENT / KEYLESS ENTRY: SMART ACCESS SYSTEM WITH PUSH-BUTTON START (for Start Function): B2275: STSW Monitor Malfunction
B2275 - STSW Monitor Malfunction

DESCRIPTION

This DTC is stored when a malfunction is detected in the starter circuit inside the power management control ECU.





WIRING DIAGRAM





INSPECTION PROCEDURE

NOTICE:
* When the power management control ECU is replaced with a new one and the cable from the negative (-) auxiliary battery terminal is connected, the power source mode becomes on (IG) mode. When the auxiliary battery is removed and reinstalled, the power source mode that was selected when the auxiliary battery was removed is restored.
* Inspect the fuses for circuits related to this system before performing the following inspection procedure.
PROCEDURE

1. CHECK HARNESS AND CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU) B2271

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (AUXILIARY BATTERY - POWER MANAGEMENT CONTROL ECU)
OK -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND) B2271

NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR (POWER MANAGEMENT CONTROL ECU - BODY GROUND)
OK -- Continue to next step.

3. CHECK FOR DTC

(a) Clear the DTC Smart Access System With Push-Button Start (for Start Function).

(b) Turn the power switch on (IG).

(c) After 25 seconds has elapsed, check if the DTC has been set again.

NG -- GO TO OTHER FLOW CHART (DTC B2285)
OK -- Continue to next step.

4. CHECK STEERING LOCK ACTUATOR ASSEMBLY (STEERING LOCK ECU)

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





Standard Resistance:





Text in Illustration





NG -- GO TO STEERING LOCK SYSTEM

OK -- REPLACE POWER MANAGEMENT CONTROL ECU Removal