RX7 2RTR- 1308cc 1.3L FI (1987)
(3)
Ground the YL Wire at the "X-09" connector for the central processing unit (CPU).
^
If SIL does NOT illuminate, check the wiring between the meter set and CPU.
^
If SIL illuminates, check the ground circuit of the CPU and/or replace printed circuit board "C" inside the CPU.
(4)
Start the engine and confirm that the SIL is off. Then ground the "1K" terminal (BR Wire) of the EGI Control Unit and check the SIL (with
the engine still idling).
^
If SIL illuminates, Go to step (5)
^
If SIL does NOT illuminate, check the wiring between the meter set and EGI control unit.
(5)
Stop the engine and turn the ignition switch to the "ON" position. Check the condition of the following EGI control unit terminals with the
clutch pedal released and the shift lever in any gear except 5th:
TERMINAL
CONDITION
L (for Clutch Switch)
0 Volt
G (for Neutral Switch)
Not grounded
I (for 5th gear switch)
Grounded
^
If terminals check OK, go to step (6)
^
If terminals check NG, check each switch and related circuit.
(6)
Connect the Digital Code Checker or System Checker '83 to the check connector and check the signal from the air flow meter and crank angle
sensor.
^
If signal checks OK, Check the SIL operation and if not working, replace the EGI control unit.
^
If signal checks NG, Check the air flow meter and/or crank angle sensor as well as related circuits.
III. TROUBLESHOOTING FOR 1986-87 626 NON-TURBO (SIL does not illuminate)
(1)
Warm the engine up to operating temperature.
(2)
Stop the engine. Turn the ignition switch to the "ON" position and check the SIL.
^
If SIL does NOT illuminate, Go to step (3)
^
If SIL illuminates, Go to step (4)
