ON BOARD DIAGNOSTIC SYSTEM — Diagnostic Trouble Code Number

F2-73prose procedure

DIAGNOSTIC TROUBLE CODE NUMBER

1
Connect the SST to the data link connector.
2
Set switch A to position 1.
3
Set TEST SW to SELF TEST.
4
Connect the SST to the System Selector and a ground.
5
Set the select switch to position A.
6
Turn the ignition switch to ON.
7
Verify that 88 flashes on the digital display and the buzzer sounds for 3 sec. after turning the ignition switch ON.
8
If 88 does not flash, check the main relay (FUEL INJ relay) (Refer to page F2-157), power supply circuit, and data link connector wiring.
9
If 88 flashes and the buzzer sounds continuously for more than 20 sec., check for a short circuit between the engine control module terminal 1E and the data link connector. Replace the engine control module if necessary, and perform steps 3-7 again.
10
Note any code numbers and check for the causes by referring to the check sequences shown on pages F2-74 through F2-91. Repair as necessary.
11
After repairs, cancel the code numbers by performing the "After-repair procedure". (Refer to page F2-92.)