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DTC 5-1: Fail-Safe Relay

WARNING: This page is about a different car, the 1998 Acura 3.5RL and 1997 Acura 3.5RL. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove fail-safe relay from underhood relay block "C". See Figure . Test fail-safe relay. See FAIL-SAFE RELAY & METER RELAY  under COMPONENT TESTS. Replace relay as necessary and retest system. If relay tests okay, go to next step.
  2. Disconnect TCS control unit 20-pin connector. With fail-safe relay still disconnected, check for continuity between ground and TCS control unit 20-pin connector terminal No. 6 (Black/White wire). See Figure . If continuity does not exist, go to next step. If continuity exists, repair short to ground in Black/White wire between TCS control unit 20-pin connector terminal No. 6 and fail-safe relay. See WIRING DIAGRAMS  .
  3. Reconnect TCS control unit 20-pin connector. Reinstall fail-safe relay. Turn ignition on. Measure voltage between ground and TCS control unit 20-pin connector terminal No. 6 (Black/White wire). See Figure . If battery voltage exists, go to next step. If battery voltage does not exist, replace TCS control unit and retest system.
  4. Measure voltage between ground and TCS control unit 20-pin connector terminal No. 10 (Brown/White wire). See Figure . If battery voltage exists, repair short to power in Brown/White wire between TCS control unit 20-pin connector terminal No. 10 and fail-safe relay terminal No. 1. See WIRING DIAGRAMS  . If battery voltage does not exist, system has returned to normal. If problem returns, replace TCS control unit.
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