Test 15, Check Dis Module Coil Drivers

Connect LED test light between (+) J18 (RC1D) and (-) J60 (BAT-). Crank engine. Does test light blink continuously during crank? Connect test light between (+) J10 (RC2D) and (-) J60 (BAT-). Crank engine. Does test light blink continuously during crank? If test light blinks continuously during both tests, go to TEST 16. If test light does not blink continuously during both tests, replace the DIS module and check for fault codes. See appropriate TESTS W/CODES article in the ENGINE PERFORMANCE section.