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Motronic 5.2 System (3.0L)

WARNING: This page is about a different car, the 1996 Saab 9000. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect Ignition Coil Module (ICM) 4-pin connector. Turn ignition on. Connect test light between ignition coil module 4-pin wiring harness connector terminal No. 4 (Yellow/Gray wire) and ground. If test light does not come on, repair wiring. See appropriate wiring diagram in WIRING DIAGRAMS article. If test light comes on, power circuit is okay. See appropriate MISFIRE circuit test in TESTS W/CODES - MOTRONIC 5.2 SYSTEM article.

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