B1397: Power Door Unlock Circuit Short To Battery

DTC B1397: POWER DOOR UNLOCK CIRCUIT SHORT TO BATTERY

B1397-1 CHECK DRIVER DOOR LOCK SWITCH FOR SHORT TO B+

Disconnect driver door lock switch.

Using a voltmeter, measure voltage at GEM connector Pin C2-13, Circuit 115 (PK/O).

Is voltage B+?

YES GO to B1397-2.

NO REPLACE driver door lock switch. RESTORE vehicle. RETEST system.

B1397-2 CHECK PASSENGER DOOR LOCK SWITCH FOR SHORT TO B+

Disconnect passenger door lock switch.

Using a voltmeter, measure voltage at GEM connector Pin C2-13, Circuit 118 (PK/O).

Is voltage B+?

YES GO to B1397-3.

NO REPLACE passenger door lock switch. RESTORE vehicle. RETEST system.

B1397-3 CHECK REAR DOOR LOCK SWITCH FOR SHORT TO B+

Disconnect rear door lock switch.

Using a voltmeter, measure voltage at GEM connector Pin C2-13, Circuit 118 (PK/O).

Is voltage B+?

YES SERVICE Circuit 118 (PK/O) for short to B+. RESTORE vehicle. RETEST system.

NO REPLACE rear door lock switch. RESTORE vehicle. RETEST system.