DTC No DTC Detection Condition Trouble Area 61 Conditions 1 and 2 is detected 1

Dtc no dtc detection condition trouble area 61

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DTC No. DTC Detection Condition Trouble Area 61 Conditions (1) and (2) is detected: (1) ECM communication is normal, malfunction information of engine system ON, and engine speed is 500 rpm or more continues for 0.48 sec. or more, and TRAC operation start condition is concluded. (2) ECM communication is normal, malfunction information of engine system is ON, engine speed is 500 rpm and more continues for 1 sec. or more, and the engine system memorizes DTC. Engine control system INSPECTION PROCEDURE 1 Check the DTC for the engine (See page DI–3 ). *1 Repair engine control system according to the code output. *2 Check for ECU connected to malfunction indicator light. *1: Output NG code *2: Malfunction indicator light remains ON. DI0CE–01
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DI–308 DIAGNOSTICS ABS & TRACTION CONTROL SYSTEM 460 AuthorĂ: DateĂ: 1997 LEXUS ES300 (RM511U) DTC Always ON ABS & TRAC ECU Malfunction CIRCUIT DESCRIPTION DTC No. DTC Detecting Condition Trouble Area Always ON ABS & TRAC ECU internal malfunction is detected. D ECU Fail safe function: If trouble occurs in the power source circuit, the ECU cuts off current to the ABS & TRAC solenoid relay and prohibits ABS control and TRAC control. INSPECTION PROCEDURE 1 Is DTC output? Check DTC on page DI–273 . YES Repair circuit indicated by the code output. NO 2 Is normal code displayed? YES Check ABS & TRAC solenoid relay. Check for short in harness and connector between sole- noid relay and DLC1 (See page IN–27 ). NO 3 Is ABS warning light go off? YES Check for open or short in harness and connec- tor between ECU–IG fuse and ABS & TRAC ECU (See page IN–27 ). NO DI0CG–01
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DIAGNOSTICS ABS & TRACTION CONTROL SYSTEM DI–309 461 AuthorĂ: DateĂ: 1997 LEXUS ES300 (RM511U) 4 Check battery positive voltage. PREPARATION: Start the engine. CHECK: Check the battery positive voltage. OK: 10 – 14 V NG Check and repair the charging system. OK 5 Check ABS warning light. PREPARATION: (a) Turn the ignition switch OFF. (b) Disconnect the connector from the ABS & TRAC ECU. (c) Turn the ignition switch ON. CHECK: Check the ABS warning light goes off. OK Check and replace ABS & TRAC ECU. NG Check for short in harness and connector between ABS warning light, DLC1, DLC2, and ABS & TRAC ECU (See page IN–27 ).
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F00092 Battery ABS & TRAC Solenoid Relay Engine Room R/B No. 3 3 ABS & TRAC ECU A7 1 R–L C 5 4 IJ1 IM2 6 J/C C10 W–B EB EA 7 ABS Warning Light 8 12 IK3 G–B 23 2 22 ABS & TRAC Actuator DLC1 Short Pin WA J30 3 3 3 3 3 W–B W–B 4 ABS & TRAC ECU R–L 4 R–L IK3 5 G–B C C G–B G–B C10 3 ABS & TRAC ECU R–L R–L J/C D 1D GAUGE Instrument Panel J/B A20 J4 D G–B 4 W–L 2 DI–310 DIAGNOSTICS ABS & TRACTION CONTROL SYSTEM 462 AuthorĂ: DateĂ: 1997 LEXUS ES300 (RM511U) ABS Warning Light Circuit CIRCUIT DESCRIPTION If the ECU detects trouble, it lights the ABS warning light while at the same time prohibiting ABS control. At this time, the ECU records a DTC in memory. Connect terminals Tc and E 1 of the DLC1 or DLC2 make the ABS warning light blink and output the DTC.
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