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Starting System (Service Specifications): Other Lexus IS III

SERVICE DATA [04/2013 - ]

Starter assemblyStandard current: 90 A or less at 11.5 V
Starter magnetic switch assemblyStandard resistance 50 - C: Below 1 ohms 50 - Body: Below 1 ohms
Starter armature assemblyStandard resistance Commutator: Below 1 ohms Commutator - Coil core: 10 kohms or higher
Standard length: 3.1 mm (0.122 in.)
Maximum length: 3.8 mm (0.150 in.)
Starter commutator end frameStandard length: 9.0 mm (0.354 in.)
Minimum length: 4.0 mm (0.157 in.)
Standard resistance Positive (+) - Negative (-): 10 kohms or higher
Snap ringMaximum length: 5.0 mm (0.196 in.)
Starter relay3 - 5: 10 kohms or higher (when battery voltage not applied between terminals 1 and 2) 3 - 5: Below 1 ohms (when battery voltage applied between terminals 1 and 2)
Engine switch5 (SS1) - 6 (GND) / 1 (SS2) - 6 (GND) Specified resistance Not pushed: 10kohms or higher Pushed: Below 1 ohms
Standard condition: Illuminates Measurement condition Battery positive (+) --> Terminal 9 (SWIL) Battery negative (-) --> Terminal 6 (GND)
Ignition or starter switch assemblyLOCK Between all terminals10 kohms or higher
ACC 2 (ACC) - 4 (AM1)Below 1 ohms
ON 2 (ACC) - 4 (AM1) 1 (IG1) - 4 (AM1) 5 (AM2) - 6 (IG2)
START 3 (ST1) - 4 (AM1) 1 (IG1) - 4 (AM1) 5 (AM2) - 6 (IG2) 5 (AM2) - 7 (ST2)