19-13 Electrical System Troubleshooting VIEWING RELATED PORTIONS In the wiring diagrams for related portions, there are cases in which the parts are connected directly, and cases where they are connected via a junction block or similar. Refer below for how to identify wiring configuartions. Example of a Related Portion : Direct connection A21 : Connection via a junction 8 (BATT) ECU-B 1 (IG1) ECU-IG Q2 SAS/OPS controller Multifunction display 3 (E1) A36 28 (CAN+) 29 (CAN-) Engine controller EFI 3 (BATT) IGN 9 (IGSW) ERROR CONFIRMATION DRIVE MODE c Turn the ignition key switch ON, start and completely warm up the engine.
d Fully depress the accelerator pedal for 3 to 5 minutes with the direction neutral. e Release and leave the accelerator pedal (run the engine at idle) for 2 minutes. f Repeat steps d and e 3 times. g Turn the ignition key switch OFF (for 1 minute). h Repeat steps c to g 3 times. Engine speed NMR Idle 2 minutes 2 minutes 2 minutes Section 19 2 (IG2) A20 12 (CANH) 5 (CANH) 13 (CANL) 6 (CANL) Warmed up time IG IG OFF OFF Warmed up IG OFF