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AUTO-CRUISE CONTROL TSB Revision ENGINE AND EMISSION CONTROL 17-35 . CIRCUIT OPERATION • Battery positive voltage is supplied to the stop- light switch (terminal 2 and 3). • When the brake pedal is depressed, battery posi- tive voltage is applied to the PCM (terminal 9 and . DTC SET CONDITIONS Check Condition • The "CRUISE" indicator light illuminates. Judgement Criteria • Short in stop light switch circuit. • Open circuit in the brake switch circuit (between PCM terminal 33 and ground). . TROUBLESHOOTING HINTS (The most likely • Malfunction of the stoplight switch. • Damaged harness or connector. • Malfunction of the PCM. DIAGNOSIS Required Special Tools: • MB991223: Harness set • MB991923: Power plant ECU check harness • MB991958: Scan tool (MUT-III sub assembly) • MB991824: V.C.I. • MB991827: MUT-III USB cable • MB991910: MUT-III main harness A AC305710 B-20 HARNESS CONNECTOR: COMPONENT SIDE B-19 HARNESS CONNECTOR: COMPONENT SIDE AB B-19 (B) B-20 CONNECTORS: B-19, B-20 AIR CLEANER PCM AC305232AD CONNECTORS: C-01, C-30 C-30 HARNESS C-30 C-01 C-01 HARNESS |