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ELECTRICAL LOAD SIGNAL EC-703 C D E F G H I J K L M A EC 6. CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION With CONSULT-II Check “HEATER FAN SW” in “DATA MONITOR” mode with CON- OK or NG OK >> INSPECTION END. NG >> GO TO 14. 7. CHECK HEATER FAN SIGNAL CIRCUIT OVERALL FUNCTION Without CONSULT-II Check voltage between ECM terminal 96 and ground under the fol- OK or NG OK >> INSPECTION END. NG >> GO TO 14. 8. CHECK HEADLAMP FUNCTION 1. Start engine. 2. Turn the lighting switch ON at 2nd position. 3. Check that headlamps are illuminated. OK or NG OK >> GO TO 9. NG LT-36, "HEADLAMP (FOR CANADA) - DAYTIME 9. CHECK HEADLAMP INPUT SIGNAL CIRCUIT FOR OPEN OR SHORT 1. Stop engine. 2. Disconnect ECM harness connector. 3. Disconnect headlamp relay-1 harness connector. 4. Check harness continuity between headlamp relay-1 terminal 5 and ECM terminal 84. 5. Also check harness for short to ground and short to power. OK or NG OK >> GO TO 16. NG >> GO TO 10. Condition LOAD SIGNAL Heater fan control switch: ON ON Heater fan control switch: OFF OFF PBIB1995E Condition Voltage Heater fan control switch: ON 0V heater fan control switch: OFF BATTERY VOLTAGE PBIB1219E Continuity should exist. |