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TROUBLESHOOTING CONTROLLER AREA NETWORK (CAN) 54C-55 STEP 13. Check the CAN line between joint CAUTION A digital multimeter should be used. For details CAUTION The test wiring harness should be used. For AC903853 BM Connector: C-119 <LHD> C-119 (GR) AC903868 CM Connector: C-119 <RHD> C-119 (GR) (1) Disconnect joint connector (CAN1), and measure at the wiring harness side. CAUTION When measuring the resistance, disconnect the . (2) Ensure that the negative battery terminal is disconnected. AC209364 AC209364UE Harness side: C-119 Test (3) Resistance between C-119 joint connector (CAN1) terminal No.5 (CAN_H) and body earth OK: 1 k Ω or more AC209364 AC209364UF Test Harness side: C-119 (4) Resistance between C-119 joint connector (CAN1) terminal No.16 (CAN_L) and body earth OK: 1 k Ω or more CAUTION Strictly observe the specified wiring harness Q: Is the check result normal? YES : <1 k Ω or more> Go to Step 16. NO : <Less than 1 k Ω > Go to Step 14. STEP 14. M.U.T.-III CAN bus diagnostics [ASTC- AC903897 Connector: A-48 AO A-48 (B) Harness side (1) Disconnect ASTC-ECU connector A-48, and diagnose by using the M.U.T.-III. ACA01247 : Red section on screen AB ETACS DISPLAY ABS/ASC SAS YR/G A/C AT ENGINE JC JC M.U.T. (2) Diagnose CAN bus lines, and check if M.U.T.-III screen is as shown in the illustration. |