Service Data
WARNING: This page is about a different car, the 2005 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
SERVICE DATA
| DAYTIME RUNNING LIGHT RELAY (MAIN) (Wire Harness Side) | |
|---|---|
| 1 - Ground (Ignition switch position LOCK or ACC) | No voltage |
| 1 - Ground (Ignition switch position ON or START) | Battery positive voltage |
| 5 - Ground (Engine Stop) | No voltage |
| 5 - Ground (Engine Running) | Battery positive voltage |
| 7 - Ground (Constant) | Battery positive voltage |
| 9 - Ground (Constant) | Battery positive voltage |
| AUTOMATIC LIGHT CONTROL SENSOR | |
| (Connector disconnected) | |
| 4 - Ground (Ignition switch position LOCK or ACC) | No voltage |
| 4 - Ground (Ignition switch position ON) | 5.2 -9.0 V |
| (Connector connected) | |
| 1 - Ground (Ignition switch position LOCK or ACC) | No voltage |
| 1 - Ground (Ignition switch position ON) | 9.5 V or more |
| HEADLIGHT BEAM LEVEL CONTROL ECU | |
| (Connector disconnected) | |
| A1 - A5 (Ignition switch position OFF) | 26 - 30 Ω |
| A1 - A6 (Ignition switch position OFF) | 26 - 30 Ω |
| A1 - A7 (Ignition switch position OFF) | 26 - 30 Ω |
| A1 - A8 (Ignition switch position OFF) | 26 - 30 Ω |
| A4 - B4 (Ignition switch position ON and light control switch HEAD) | Below 1.5 V |
| B1 - B3 (Ignition switch position OFF) | 3.5 k- 6.5 kΩ. |
| B5 - B7 (Ignition switch position OFF) | 3.5 k- 6.5 kΩ |
| (Connector disconnected) | |
| B2 - B3 (Ignition switch position ON) | Approx. 2.5 V |
| B6 - B7 (Ignition switch position ON) | Approx. 2.5 V |
| B1 - B3 (Ignition switch position ON) | 5V |
| B5 - B7 (Ignition switch position ON) | 5V |
| TURN SIGNAL FLASHER | |
| 1 - Ground (Ignition switch position LOCK or ACC) | No voltage |
| 1 - Ground (Ignition switch position ON) | Battery positive voltage |
| 4 - Ground (Constant) | Battery positive voltage |
| LIGHT FAILURE RELAY (Wire Harness Side) | |
| 5 - Ground (Light control switch position OFF) | No voltage |
| 5 - Ground (Light control switch position TAIL or HEAD) | Battery positive voltage |
| 8 - Ground (Ignition switch position LOCK or ACC) | No voltage |
| 8 - Ground (Ignition switch position ON) | Battery positive voltage |
| 9 - Ground (Stop light switch position OFF) | No voltage |
| 9 - Ground (Stop light switch position ON) | Battery positive voltage |
| 10 - Ground (Stop light switch position OFF) | No voltage |
| 10 - Ground (Stop light switch position ON) | Battery positive voltage |
| SPEEDOMETER (ON-VEHICLE) | |
| USA: | |
| Standard indication (mph) | Allowable range (mph) |
| 20 | 18 - 24 |
| 40 | 38 - 44 |
| 60 | 56 - 66 |
| 80 | 78 - 88 |
| 100 | 98 - 110 |
| 120 | 118 - 132 |
| CANADA: | |
| Standard indication (km/h) | Allowable range (km/h) |
| 20 | 17- 24 |
| 40 | 38 - 46 |
| 60 | 57.5 - 67 |
| 80 | 77- 88 |
| 100 | 96 - 109 |
| 120 | 115 - 130 |
| 160 | 134- 151.5 |
| Speedometer | Resistance Ω |
| A- B | 140 - 185 Ω |
| C- D | 130 - 175 Ω |
| TACHOMETER (ON-VEHICLE)/ DC 13.5 V 25 °C at (77 °F) | |
| Standard indication | Allowable range |
| 700 | 630 - 770 |
| 1,000 | 900 - 1,100 |
| 2,000 | 1,850-2,150 |
| 3,000 | 2,800 - 3,200 |
| 4,000 | 3,800 - 4,200 |
| 5,000 | 4,800 - 5,200 |
| 6,000 | 5,750 - 6,250 |
| 7,000 | 6,700 - 7,300 |
| Tachometer | Resistance Ω |
| A - B | 140 - 185 Ω |
| C- D | 130 - 175 Ω |
| FUEL RECEIVER GAUGE | Resistance Ω |
| A- B | 140 - 185 Ω |
| C- D | 130 - 175 Ω |
| FUEL MAIN SENDER GAUGE | |
| Float position mm (in.) | Resistance (Q.) |
| F: Approx. 34.6 (1.36) +/- 3 (0.12) | Approx. 2.0 +/- 1.0 |
| 1/2: Approx. 52.4 (2.06) +/- 3 (0.12) | Approx. 26.1 +/- 3.0 |
| E: Approx. 134.9 (5.31) +/- 3 (0.12) | Approx. 48.7 +/- 1.0 |
| FUEL SUB SENDER GAUGE | |
| Float position mm (in.) | Resistance Ω |
| F: Approx. 9.5 (0.37) +/- 3 (0.12) | Approx. 2.0 +/- 1.0 |
| 1/2: Approx. 110.5 (4.35) +/- 3 (0.12) | Approx. 33.0 +/- 3.0 |
| E: Approx. 206.5 (8.13) +/- 3 (0.12) | Approx. 61.3 +/- 1.0 |
| ENGINE COOLANT TEMPERATURE RECEIVER GAUGE (Resistance) | Resistance (Ω) |
| A - B | 140 - 185 Ω |
| C- D | 130 - 175 Ω |
| ENGINE COOLANT TEMPERATURE SENDER GAUGE (Resistance) | |
| Temperature °C (°F) | Resistance Ω |
| 50(122.0) | 160 - 240 |
| 120(248.0) | 17.1 -21.2 |
| DEFOGGER SWITCH (wire harness side) | |
| A2 - Ground (Ignition switch position LOCK or ACC) | No voltage |
| A2 - Ground (Ignition switch position ON) | Battery positive voltage |
| WIRELESS DOOR LOCK CONTROL RECEIVER | |
| (Connector disconnected) | |
| 7 - Ground (Constant) | Battery positive voltage |
| (Connector connected) | |
| 3 - Ground (Ignition switch position OFF, Key removed, Transmitter OFF --> ON) | 4.5 - 5.5 V --> below 1 V |
| 3 - Ground (Ignition switch position OFF, Key removed, Transmitter OFF --> ON) | 4.5 - 5.5 V --> below 1 V |
| 4 - Ground (Ignition switch position OFF, Key removed, Transmitter OFF) | 10-14V |
| CD AUTO CHANGER | |
| 1 - Ground (Constant) | Battery positive voltage |
| 6 - Ground (Ignition switch position LOCK) | No voltage |
| 6 - Ground (Ignition switch position ACC or ON) | Battery positive voltage |
| POWER AMPLIFIER | |
| (Pioneer made) | |
| B4 - Ground (Constant) | Battery positive voltage |
| C12 - Ground (Ignition switch position LOCK) | No voltage |
| C12 - Ground (Ignition switch position ACC or ON) | Battery positive voltage |
| RADIO RECEIVER | |
| (USA and CANADA models) | |
| A4 - Ground (Constant) | Battery positive voltage |
| A1 - Ground (Ignition switch position ACC or ON) | Battery positive voltage |
| A1 - Ground (Ignition switch position LOCK) | No voltage |
| POWER AMPLIFIER | |
| (Mark Levinson models) | |
| A7 - Ground (Constant) | Battery positive voltage |
| A16 - Ground (Constant) | Battery positive voltage |
| B20 - Ground (Ignition switch position OFF) | Battery positive voltage |
| B20 - Ground (Ignition switch position ACC or ON) | Battery positive voltage |
| RADIO RECEIVER | |
| (TAIWAN models) | |
| A1 - Ground (Ignition switch position ACC or ON) | Battery positive voltage |
| A1 - Ground (Ignition switch position LOCK) | No voltage |
| A4 - Ground (Constant) | Battery positive voltage |