B1225: Fuel Temperature #1 Circuit Short To Ground

DTC B1225 - Fuel Temperature Sensor NO. 1 Circuit Short To Ground

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.

B1225-1 Check Circuit 925 (W/Y)

- 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 P10 TEMPS1 value 199 degrees F?

YES GO to B1225-2.
NO INSPECT connectors and pins for loose or intermittent connections. RESTORE vehicle. CLEAR DTCs. REPEAT on-demand self test. If DTC B1225 is retrieved, REPLACE fuel indication module. RESTORE vehicle. RETEST system.

B1225-2 - Check Circuit 875 (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.
- Using an ohmmeter, measure resistance between breakout box pins 47 and pins 40 or 60.

Is resistance 5 ohms or less?

YES SERVICE circuit 925 (W/Y) for short to ground. RESTORE vehicle. RETEST system.
NO GO to B1225-3.

B1225-3 Check Circuit 925 (W/Y) For Short To Circuit 875 (BK/LB)

- Using an ohmmeter, measure resistance between breakout box pin 47 and pin 46.

Is resistance 5 ohms or less?

YES SERVICE circuit 925 (W/Y) for short to circuit 875 (BK/LB). RESTORE vehicle. RETEST system.
NO REPLACE fuel temperature sensor No. 1. RESTORE vehicle. RETEST system.