LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2005 >> MR2 C56 >> Repair and Diagnosis >> General Information >> OEM General Information >> Service Specifications >> Body Electrical System >> Service Data
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Service Data

Service Data - Body Electrical

Daytime running light relay (main) Voltage  
(3-Ground) at constant Battery positive voltage
(6-Ground) at constant Battery positive voltage
(9-Ground) at engine running Battery positive voltage
(12 - Ground) at ignition switch position lock or ACC No voltage
  at Ignition switch position ON or START Battery positive voltage
Combination meter (Speedometer) USA: mph (on vehicle) Standard indication Allowable range
at 20 mph 18-24 mph
at 40 mph 38 - 44 mph
at 60 mph 58 - 66 mph
at 80 mph 78 - 88 mph
at 100 mph 98 - 110 mph
at 120 mph 118 - 132 mph
Combination meter (Speedometer) Resistance  
(A - B) 250 Ω
(C - D) 250 Ω
Combination meter (Tachometer) RPM Standard indication (DC 13.5 V, 25°C (77°F)) Allowable range
  at 700 rpm 630 - 770 rpm
  at 1,000 rpm 900 - 1,000 rpm
  at 2,000 rpm 1,850 - 2,150 rpm
  at 3,000 rpm 2,800 - 3,200 rpm
  at 4,000 rpm 3,800 - 4,200 rpm
  at 5,000 rpm 4,800 - 5,200 rpm
  at 6,000 rpm 5,800 - 6,200 rpm
  at 7,000 rpm 6,800 - 7,200 rpm
Combination meter (Tachometer) Resistance  
(A - B) 250 Ω
(C - D) 250 Ω
Combination meter (Fuel receiver gauge) Resistance  
(A - B) 250 Ω
(C - D) 250 Ω
Fuel sender gauge Resistance Float position  
  at approx. 68.8 mm (2.71 in.) Approx. 16.4 Ω
  at approx. 207.4 mm (B.17 in.) Approx. 192.7 Ω
Combination meter (Engine coolant temperature receiver gauge) Resistance  
(A - B) 250 Ω
(C - D) 250 Ω
Defogger switch (Wire harness side) Voltage (Connector disconnected)  
(4 - Ground) at ignition switch LOCK or ACC No voltage
(4-Ground) at Ignition switch ON Battery positive voltage
Defogger switch (Wire harness side) Voltage (Connector connected)  
(4-Ground) at ignition switch ON Battery positive voltage
  and defogger switch OFF  
(4-Ground) at Ignition switch ON No voltage
  and defogger switch ON  
Radio receiver assembly (Wire harness side) Voltage  
(A1 - Ground) at audio sounding 5 - 7V
(A2 - Ground) at audio sounding 5 - 7V
(A3-Ground) at ignition switch ACC Battery positive voltage
(A4-Ground) at constant Battery positive voltage
(A5-Ground) at audio sounding 5 - 7 V
(A6-Ground) at audio sounding 5 - 7 V
(A10 - Ground) at light control switch TAIL or HEAD Battery positive voltage
(B1 - Ground) at audio sounding 5 - 7V
(B2-Ground) at audio sounding 5 - 7V
(B3- Ground) at audio sounding 5 - 7V
(B6-Ground) at audio sounding 5 - 7V
Antenna motor control relay (Wire harness side) Voltage  
(1-Ground) at constant Battery positive voltage
(4-Ground) at ignition switch position LOCK or ACC No voltage
(4 - Ground) at ignition switch position ON Battery positive voltage
(5 - Ground) at ignition switch position LOCK No voltage
(5 - Ground) at ignition switch position ACC or ON Battery positive voltage
(7 - Ground) at radio switch and casette OFF No voltage
(7 - Ground) at radio switch and casette ON Battery positive voltage
Clock   at per day ± 1.5 seconds