Power Assisted Steering System: 6C-37
E52-11 PPL/WHT Data link connector — —
E52-12 BRN Engine speed signal
*0 – 1 V
↑↓
8 – 14 V
(“Reference
waveform No.30”
and “Reference
waveform No.31”
under “Inspection of
ECM and Its Circuits
in Section 1A”.)
Engine idling
E52-13 — — — —
E52-14 RED/BLU
P/S operation signal (idle up
signal)
About 12 V Ignition switch ON
0 – 1 V
Engine idling and turned steering
wheel to the right or left until it stops
E52-15 — — — —
E52-16 YEL
Torque sensor internal failure
signal
About 5 V At the moment of Ignition switch ON
0 V Ignition switch ON
E52-17 — — — —
E52-18 WHT Torque sensor signal (Main)
About 0 – 2.5 V
• Steering wheel with left turn
• Out put voltage varies linearly
depending on steering force
About 2.5 V Steering wheel at free
About 2.5 – 6 V
• Steering wheel with right turn
• Out put voltage varies linearly
depending on steering force
E52-19 GRY Ground for shield wire Below 0.3 V —
E52-20 RED
5 V reference power supply
for torque sensor
About 5 V
• Ignition switch ON
• Check voltage between “E52-20”
and “E52-9” terminals
Terminal Wire color Circuit Normal voltage Remarks