Electronic Fuel Control System Quick Test (88-6-18)

ELECTRONIC FUEL CONTROL SYSTEM QUICK TEST

TECHNICAL SERVICE BULLETIN

ELECTRONIC FUEL CONTROL SYSTEM (EFCS) - QUICK TEST INSTALLATION

APPLICATION

Model: 1988 Ford Festiva

Group: Engine

Bulletin No.: 88-6-18

Date: March 16, 1988

SERVICE INFORMATION

This bulletin supersedes Service Bulletin 88-1-7 dated January 8, 1988. This article is being republished in its entirety to correct the wire color code called out in Step 1-d of TSB Article 88-1-17. This Service Bulletin contains the electronic fuel control system "Quick Test" procedure. If service is required, use the following procedure when performing the "Quick Test" with a Super Star II Tester.

SERVICE PROCEDURE

1. Attach adapter harness to Super Star II Tester (007-00028) and vehicle harness as follows.
   1. Connect "A" to "D", Figure 1.
   2. Attach a jumper wire from the STI single pin connector of the Super Star II Tester ("B") to battery ground, Figure 1
      NOTE: The jumper wire is not included. The jumper wire must be fabricated.
   3. Connect "C" to battery ground, see Fig 1 .
   4. Connect red single pin connector (spade) of adapter harness ("E") to the vehicle self-test single pin connector (blue/yellow wire), see Fig 1 .
   5. Leave "F" disconnected.
   6. Connect "G" to the vehicle self-test six (6) pin connector, Fig 1 .
2. Switch Super Star 11 Tester to "MECS" and "SLOW CODE" positions.
3. Position the "HOLD/TEST" button to the "HOLD" location.
4. Position the power switch to the "PWR" location.
5. Turn the ignition switch to the "ON" position.
   NOTE: Key On-Engine Off (KOEO) self-test is the only self-test that can be performed.
6. Wait two (2) seconds, then depress the "HOLD/TEST" button to the "TEST" position.
7. Record service codes and service as required.