B1224: Fuel Temperature #1 Circuit Short To Battery

DTC B1224 - Fuel Temperature Sensor NO. 1 Circuit Short To Battery

NOTE: Ford DOES NOT provide a procedure to perform the following pinpoint test without the Rotunda New Generation Star (NGS) tester 007-00500 or Rotunda Breakout Box 014-00322, or equivalent equipment.

B1224-1 - Check PID TEMPS1

- Connect New Generation Star (NGS) Tester 007-00500 or equivalent to data link connector (DLC).
- Turn ignition switch to RUN.
- Select and read PID TEMPS1.

Is PID TEMPSI value 199 degrees F?

YES GO to B1224-2.
NO INSPECT connectors and pins for loose or intermittent connections. RESTORE vehicle. CLEAR DTCs. REPEAT on-demand self test. If DTC B1224 is retrieved, REPLACE fuel indication module. RESTORE vehicle. RETEST system.

B1224-2 - Check Circuit B75 (BK/LB) For Open

- Turn ignition switch OFF.
- Disconnect fuel indication module connector.
- Install Rotunda Breakout Box 014-00322 or equivalent to fuel indication module harness, leave module disconnected.
- Disconnect fuel temperature sensor No. 1.
- Turn ignition switch to RUN.
- Using a voltmeter, measure voltage between breakout box pin 46 and pins 40 or 60.

Is voltage less than 0.5 volt?

YES GO to B1224-3.
NO SERVICE circuit 875 (BK/LB) for open. RESTORE vehicle. RETEST system.

B1224-3 - Check Circuit 925 (W/Y) For Open

- Turn ignition switch to RUN.
- Using a voltmeter, measure voltage between breakout box pin 47 and pins 40 and 60.

Is voltage less than 0.5 volt?

YES REPLACE fuel indication module. RESTORE vehicle. RETEST system.
NO SERVICE circuit 925 (W/Y) for open. RESTORE vehicle. RETEST system.