FixVault

Pin Voltage Tests

WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.

Using a DVOM connected to ground, backprobe to measure voltage or resistance at appropriate terminal at theft deterrent ECU harness connector unless otherwise specified. See CONNECTOR IDENTIFICATION . See THEFT DETERRENT ECU PIN VOLTAGE CHART  table.

THEFT DETERRENT ECU PIN VOLTAGE CHART

Terminal No. (Symbols), Wire Color Condition STD Voltage
T5-1 (HEAD) - T5-22 (E), Red/Yellow - White/Black Light Control Switch Position Is HEAD Below 1 Volt
T5-1 (HEAD) - T5-22 (E), Red/Yellow - White/Black Light Control Switch Position Is OFF Or TAIL 10-14 VVolts
T5-2 (TAIL) - T5-22 (E), Red/White - White/Black Light Control Switch Position Is TAIL Or HEAD Below 1 VVolt
T5-2 (TAIL) - T5-22 (E), Red/White - White/Black Light Control Switch Position Is OFF 10-14 VVolts
T5-4 (DSWH) - T5-22 (E), Blue - White/Black Engine Hood Courtesy Switch Position Is ON (Engine Hood Opened) Below 1 Volt
T5-4 (DSWH) - T5-22 (E), Blue - White/Black Engine Hood Courtesy Switch Position OFF (Engine Hood Closed) 7-8 Volt
T5-5 (LUG) - T5-22 (E), Black/White - White/Black Luggage Compartment Door Key Lock & Unlock Switch Position Is ON Below 1 Volt
T5-5 (LUG) - T5-22 (E), Black/White - White/Black Luggage Compartment Door Key Lock & Unlock Switch Position Is OFF 7-8 Volts
T5-9 (CLTB) - T5-22 (E), Red - White/Black Ignition Switch Position Is LOCK Below 1 Volt
T5-9 (CLTB) - T5-22 (E), Red - White/Black Ignition Switch Position Is ACC Or ON 10-14 Volt
T5-10 (IG) - T5-22 (E), Black/Red - White/Black Ignition Switch Position Is LOCK Or ACC Below 1 Volt
T5-10 (IG) - T5-22 (E), Black/Red - White/Black Ignition Switch Position Is ON 10-14 Volts
T5-11 (+B1) - T5-22 (E), White/Red - White/Black Constant 10-14 Volt
T5-12 (H) - T5-22 (E), Red/Yellow - White/Black Light Control Switch Position Is HEAD Below 1 Volt
T5-12 (H) - T5-22 (E), Red/Yellow - White/Black Light Control Switch Position Is OFF Or TAIL 10-14 Volts
T5-13 (T) - T5-22 (E), Red - White/Black Light Control Switch Position Is TAIL or HEAD Below 1 Volt
T5-13 (T) - T5-22 (E), Red - White/Black Light Control Switch Position Is OFF 10-14 Volts
T5-14 (A) - T5-22 (E), Green/Yellow - White/Black Light Control Switch Position Is AUTO Below 1 Volt
T5-14 (A) - T5-22 (E), Green/Yellow - White/Black Light Control Switch Position Is OFF, TAIL Or HEAD 7-9 Volts
T5-19 (KSW) - T5-22 (E), Black/Yellow - White/Black Key Is Inserted Below 1 Volt
T5-19 (KSW) - T5-22 (E), Black/Yellow - White/Black Key Is Not Inserted 10-14 Volts
T5-20 (CLTS) - T5-22 (E), Yellow - White/Black Ignition Switch Position Is LOCK Below 1 Volt
T5-20 (CLTS) - T5-22 (E), Yellow - White/Black Ignition Switch Position Is ACC Or ON 10-14 Volts
T5-21 (CLTE) - T5-22 (E), Brown - White/Black Constant Below 1 Volt
T5-22 (E) - Body Ground, White/Black Constant Below 1 Volt
T6-1 (+B2) - T5-22 (E), Red/Yellow - White/Black Constant 10-14 Volts
T6-2 (SH-) - T5-22 (E), Green/Yellow - White/Black Always Below 1 Ohm
T6-3 (SH) - T5-22 (E), Green - White/Black Always 10-14 Volts
T6-4 (HORN) - T5-22 (E), Green/White - White/Black Horn Switch Position Is ON Below 1 Volt
T6-4 (HORN) - T5-22 (E), Green/White - White/Black Horn Switch Position Is OFF 10-14 Volts
T6-12 (IND) - T5-22 (E), Blue/Black - White/Black During Set Preparation 3-5 Volts