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DIAGNOSIS CONTROLLER AREA NETWORK (CAN) 54C-182 (4) Measure the resistance between ENGINE- ECU connector terminal 86 and body ground. OK: 1 k Ω or more NOTE: When diagnosing CAN BUS on vehicles with manual transmission (M/T) disregard A/T-ECU and it’s wir- CAUTION Strictly observe the specified wiring harness repair proce- Q: Does the resistance measure 1 k Ω or more? YES : If the resistance measures 1 k Ω or more, go to Step 47 . NO : If the resistance measures less than 1 k Ω, repair the wiring harness between ENGINE- ECU connector STEP 47. Check the CAN_L line inside the A/T-ECU for CAUTION A digital multimeter should be used. For details refer to CAUTION The test wiring harness should be used. For details refer to (1) Disconnect A/T-ECU connector B-19. NOTE: When diagnosing CAN BUS on vehicles with manual transmission (M/T) disregard A/T-ECU and it’s wir- 16DB497A HARNESS SIDE: B-21 TEST 16DB480A COVER ENGINE CONTROL UNIT AIR CLEANER A/T CONTROL UNIT |