Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - LIGHTING EXT
LIGHTING SYSTEM - TERMINALS OF ECU
| CHECK MAIN BODY ECU (COWL SIDE JUNCTION BLOCK LH) |
Disconnect the E1, E2, E3, 2A, 2B, 2C, and 2D ECU connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| 2A-1 - Body ground | B - Body ground | Battery power supply | Always | 11 to 14 V |
| 2D-62 (GND2) - Body ground | W-B - Body ground | Body ground | Always | Below 1 Ω |
| 2D-62 (GND1) - Body ground*1 | W-B - Body ground | Body ground | Always | Below 1 Ω |
| E1-24 (DCTY) - Body ground*2 | L - Body ground | Front door courtesy light switch LH signal | Front door LH open | Below 1 Ω |
| E1-24 (DCTY) - Body ground*2 | L - Body ground | Front door courtesy light switch LH signal | Front door LH closed | 10 kΩ or higher |
| E1-24 (DCTY) - Body ground*3 | P - Body ground | Front door courtesy light switch LH signal | Front door LH open | Below 1 Ω |
| E1-24 (DCTY) - Body ground*3 | P - Body ground | Front door courtesy light switch LH signal | Front door LH closed | 10 kΩ or higher |
| E2-21 (PCTY) - Body ground*2 | P - Body ground | Front door courtesy light switch RH signal | Front door RH open | Below 1 Ω |
| E2-21 (PCTY) - Body ground*2 | P - Body ground | Front door courtesy light switch RH signal | Front door RH closed | 10 kΩ or higher |
| E2-21 (PCTY) - Body ground*3 | L - Body ground | Front door courtesy light switch RH signal | Front door RH open | Below 1 Ω |
| E2-21 (PCTY) - Body ground*3 | L - Body ground | Front door courtesy light switch RH signal | Front door RH closed | 10 kΩ or higher |
| 2C-2 (LCTY) - Body ground | W - Body ground | Rear door courtesy light switch LH signal | Rear door LH open | Below 1 Ω |
| 2C-2 (LCTY) - Body ground | W - Body ground | Rear door courtesy light switch LH signal | Rear door LH closed | 10 kΩ or higher |
| E2-7 (RCTY) - Body ground*1 | G - Body ground | Rear door courtesy light switch RH signal | Rear door RH open | Below 1 Ω |
| E2-7 (RCTY) - Body ground*1 | G - Body ground | Rear door courtesy light switch RH signal | Rear door RH closed | 10 kΩ or higher |
| E1-17 (RCTY) - Body ground*4 | G - Body ground | Rear door courtesy light switch RH signal | Rear door RH open | Below 1 Ω |
| E1-17 (RCTY) - Body ground*4 | G - Body ground | Rear door courtesy light switch RH signal | Rear door RH closed | 10 kΩ or higher |
| E2-25 (BCTY) - Body ground | W - Body ground | Back door courtesy light switch signal | Back door open | Below 1 Ω |
| E2-25 (BCTY) - Body ground | W - Body ground | Back door courtesy light switch signal | Back door closed | 10 kΩ or higher |
| E1-23 (TAIL) - Body ground | V - Body ground | Light control switch TAIL signal | Light control switch tail | Below 1 Ω |
| E1-23 (TAIL) - Body ground | V - Body ground | Light control switch TAIL signal | Light control switch except tail | 10 kΩ or higher |
| E2-17 (HEAD) - Body ground | R- Body ground | Light control switch HEAD signal | Light control switch head | Below 1 Ω |
| E2-17 (HEAD) - Body ground | R - Body ground | Light control switch HEAD signal | Light control switch except head | 10 kΩ or higher |
| E1-21 (A) - Body ground | G - Body ground | Light control switch AUTO signal | Light control switch auto | Below 1 Ω |
| E1-21 (A) - Body ground | G - Body ground | Light control switch AUTO signal | Light control switch except auto | 10 kΩ or higher |
| E2-28 (FFOG) - Body ground*5 | R - Body ground | Front fog light switch signal | Front fog light switch on | Below 1 Ω |
| E2-28 (FFOG) - Body ground*5 | R - Body ground | Front fog light switch signal | Front fog light switch off | 10 kΩ or higher |
| E2-9 (RFOG) - Body ground*6 | R - Body ground | Rear fog light switch signal | Rear fog light switch on | Below 1 Ω |
| E2-9 (RFOG) - Body ground*6 | R - Body ground | Rear fog light switch signal | Rear fog light switch off | 10 kΩ or higher |
| 2D-13 (HU) - Body ground | R - Body ground | Dimmer switch high signal | Dimmer switch high | Below 1 Ω |
| 2D-13 (HU) - Body ground | R - Body ground | Dimmer switch high signal | Dimmer switch except high or flash | 10 kΩ or higher |
| E1-13 (HF) - Body ground | GR - Body ground | Dimmer switch flash signal | Dimmer switch flash | Below 1 Ω |
| E1-13 (HF) - Body ground | GR - Body ground | Dimmer switch flash signal | Dimmer switch except flash | 10 kΩ or higher |
| 2D-51 (ILE) - Body ground | G - Body ground | Interior light signal | Map light on | Below 1 Ω |
| 2D-51 (ILE) - Body ground | G - Body ground | Interior light signal | Map light off | 10 kΩ or higher |
*1: w/o Entry and Start System
*2: for LHD
*3: for RHD
*4: w/ Entry and Start System
*5: w/ Front Fog Light
*6: w/ Rear Fog Light
Reconnect the E1, E2, E3, 2A, 2B, 2C, and 2D ECU connectors.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E1-4 (FFGO) - Body ground*1 | R - Body ground | Front fog light signal | Light control switch tail, front fog light switch on | Below 1 V |
| E1-4 (FFGO) - Body ground*1 | R - Body ground | Front fog light signal | Light control switch tail, front fog light switch off | 11 to 14 V |
| E2-8 (DRLE) - Body ground*2, *3 | R - Body ground | Daytime running light signal | Daytime running light on | Below 1 V |
| E2-8 (DRLE) - Body ground*2, *3 | R - Body ground | Daytime running light signal | Daytime running light off | 11 to 14 V |
| E3-14 (DRLE) - Body ground*2, *4 | R - Body ground | Daytime running light signal | Daytime running light on | Below 1 V |
| E3-14 (DRLE) - Body ground*2, *4 | R - Body ground | Daytime running light signal | Daytime running light on | 11 to 14 V |
| E2-15 (DIM) - Body ground*5 | L - Body ground | Headlight high beam signal | Light control switch head, dimmer switch high | Below 1 V |
| E2-15 (DIM) - Body ground*5 | L - Body ground | Headlight high beam signal | Light control switch head, dimmer switch except high | 11 to 14 V |
| E3-14 (RFGO) - Body ground*6 | R - Body ground | Rear fog light signal | Light control switch tail, rear fog light switch off | Below 1 V |
| E3-14 (RFGO) - Body ground*6 | R - Body ground | Rear fog light signal | Light control switch tail, rear fog light switch off | 11 to 14 V |
| 2B-18 (HRLY) - Body ground | L - Body ground | Headlight low beam signal | Light control switch head, dimmer switch low | Below 1 V |
| 2B-18 (HRLY) - Body ground | L - Body ground | Headlight low beam signal | Light control switch head, dimmer switch except low | 11 to 14 V |
| 2B-16 (DIM) - Body ground*7 | LG - Body ground | Headlight high beam signal | Light control switch head, dimmer switch high | Below 1 V |
| 2B-16 (DIM) - Body ground*7 | LG - Body ground | Headlight high beam signal | Light control switch head, dimmer switch except high | 11 to 14 V |
| 2B-22 (STP) - Body ground | R - Body ground | Stop light switch signal | Brake pedal depressed | 11 to 14 V |
| 2B-22 (STP) - Body ground | R - Body ground | Stop light switch signal | Brake pedal released | Below 1 V |
| 2D-29 (DOMR) - Body ground*8 | R - Body ground | Battery save system (interior light auto cut function) signal | Battery save system (interior light auto cut function) operating | 11 to 14 V |
| 2D-29 (DOMR) - Body ground*8 | R - Body ground | Battery save system (interior light auto cut function) signal | Battery save system (interior light auto cut function) not operating | Below 1 V |
*1: w/ Front Fog Light
*2: w/ Daytime Running Light
*3: except G. C. C.
*4: for G. C. C.
*5: except Double Swing Out Type
*6: w/ Rear Fog Light
*7: for Double Swing Out Type
*8: w/ Dome Cut Relay
| CHECK HEADLIGHT LEVELING ECU ASSEMBLY (w/ Static Headlight Auto Leveling) |
Disconnect the E109 headlight leveling ECU connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E109-1 (IG) - Body ground | R - Body ground | Ignition power supply | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V | |||
| E109-9 (E1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the E109 headlight leveling ECU connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E109-3 (HDLP) - E109-9 (E1) | L - W-B | Low beam headlight signal input | Low beam headlights on | Below 1 V |
| Low beam headlights off | 11 to 14 V | |||
| E109-5 (INIT) - E109-9 (E1) | LG - W-B | Initialization signal input | Terminal LVL and terminal CG of DLC3 connected | Below 1 V |
| Terminal LVL and terminal CG of DLC3 not connected | 4.5 to 5.5 V | |||
| E109-6 (WNG) - E109-9 (E1) | L - W-B | Warning indicator drive output | Warning indicator on | Below 1 V |
| Warning indicator off | 11 to 14 V | |||
| E109-10 (RH+) - E109-9 (E1) | G - W-B | Headlight leveling motor RH power supply | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V | |||
| E109-11 (LH+) - E109-9 (E1) | R - W-B | Headlight leveling motor LH power supply | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V | |||
| E109-12 (SBR) - E109-21 (SGR) | L - P | Rear height control sensor power supply | Ignition switch off | Below 1 V |
| Ignition switch ON | 4.75 to 5.25 V | |||
| E109-16 (SPDR) - E109-9 (E1) | V - W-B | Vehicle speed signal input | Vehicle is driven at approximately 20 km/h (12 mph) | Pulse generation (See waveform 1) |
| E109-17 (RHT) - E109-9 (E1) | P - W-B | Headlight leveling motor RH operation signal input | With low beam headlights on, vehicle height not changed | Below 1 V |
| With low beam headlights on, vehicle height changed and maintained for more than 3 seconds | 1.0 to 14.4 V | |||
| E109-18 (LHT) - E109-9 (E1) | G - W-B | Headlight leveling motor LH operation signal input | With low beam headlights on, vehicle height not changed | Below 1 V |
| With low beam headlights on, vehicle height changed and maintained for more than 3 seconds | 1.0 to 14.4 V | |||
| E109-19 (SHRL) - E109-21 (SGR) | SB - P | Rear height control sensor signal input | Ignition switch off | Below 1 V |
| Ignition switch ON | 0.5 to 4.5 V | |||
| E109-21 (SGR) - E109-9 (E1) | P - W-B | Rear height control sensor ground | Always | Below 1 Ω |
| E109-23 (RH-) - E109-9 (E1) | BR - W-B | Headlight leveling motor RH ground | Always | Below 1 Ω |
| E109-24 (LH-) - E109-9 (E1) | V - W-B | Headlight leveling motor LH ground | Always | Below 1 Ω |
Waveform 1
| Item | Content |
| Terminal No. (Symbol) | E109-16 (SPDR) - E109-9 (E1) |
| Tool setting | 5 V/DIV., 20 ms./DIV. |
| Condition | Vehicle is driven at approximately 20 km/h (12 mph) |
- HINT:
- When the system is functioning normally, one wheel revolution generates 4 pulses. As the vehicle speed increases, the width indicated by (A) in the illustration narrows.
| CHECK HEADLIGHT SWIVEL ECU ASSEMBLY (w/ Dynamic Headlight Auto Leveling) |
Disconnect the E101 headlight swivel ECU connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E101-15 (IG) - Body ground | R - Body ground | Ignition power supply | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V | |||
| E101-22 (E1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the E101 headlight swivel ECU connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E101-3 (LHT) - E101-22 (E1) | R - W-B | Headlight leveling motor LH power supply | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V | |||
| E101-4 (RHT) - E101-22 (E1) | G - W-B | Headlight leveling motor RH power supply | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V | |||
| E101-7 (INIT) - E101-22 (E1) | LG - W-B | Initialization signal | Ignition switch ON, terminals LVL and GND of DLC3 connected | Below 1 V |
| Ignition switch ON, terminals LVL and GND of DLC3 not connected | 4.5 to 5.5 V | |||
| E101-11 (RH+) - E101-22 (E1) | P - W-B | Headlight leveling motor RH LIN communication | Ignition switch off | Below 1 V |
| Ignition switch ON | Pulse generation | |||
| E101-17 (SHFL) - E101-22 (E1)*1 | GR - W-B | Vehicle height signal | Ignition switch off | Below 1 V |
| Ignition switch ON | Approximately 2.5 V (When vehicle level) (The value changes according to the vehicle height) | |||
| E101-18 (SBR) - E101-22 (E1)*1 | L - W-B | Vehicle height signal | Ignition switch off | Below 1 V |
| Ignition switch ON | 4.5 to 5.5 V | |||
| E101-18 (SBR) - E101-21 (SGR)*2 | L - P | Rear height control sensor LH power supply | Ignition switch off | Below 1 V |
| Ignition switch ON | 4.5 to 5.5 V | |||
| E101-19 (SHRL) - E101-22 (E1)*1 | SB - W-B | Vehicle height signal | Ignition switch off | Below 1 V |
| Ignition switch ON | Approximately 2.5 V (When vehicle level) (The value changes according to the vehicle height) | |||
| E101-19 (SHRL) - E101-21 (SGR)*2 | SB - P | Rear height control sensor LH signal | Ignition switch off | Below 1 V |
| Ignition switch ON | Approximately 2.5 V (When vehicle level) (The value changes according to the vehicle height) | |||
| E101-21 (SGR) - E101-22 (E1)*1 | P - W-B | Vehicle height signal | Always | Below 1 Ω |
| E101-21 (SGR) - E101-22 (E1)*2 | P - W-B | Rear height control sensor LH ground | Always | Below 1 Ω |
| E101-27 (LH-) - E101-22 (E1) | V - W-B | Headlight leveling motor LH ground | Always | Below 1 Ω |
| E101-28 (RH-) - E101-22 (E1) | BR - W-B | Headlight leveling motor RH ground | Always | Below 1 Ω |
| E101-30 (LH+) - E101-22 (E1) | G - W-B | Headlight leveling motor LH LIN communication | Ignition switch off | Below 1 V |
| Ignition switch ON | Pulse generation |
*1: w/ Active Height Control Suspension
*2: w/o Active Height Control Suspension
| CHECK NO. 2 MAIN BODY ECU (w/ Side Step Light) |
Disconnect the L50 and L51 ECU connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| L50-14 (BECU) - Body ground | R - Body ground | Battery power supply | Always | 11 to 14 V |
| L50-13 (SIG) - Body ground | G - Body ground | Ignition power supply | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V | |||
| L50-7 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| L51-7 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the L50 and L51 ECU connectors.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| L50-9 (RBD1) - Body ground | L - Body ground | Step light LH signal | Step light LH on | Below 1 V |
| Step light LH off | 11 to 14 V | |||
| L50-21 (RBD2) - Body ground | L - Body ground | Step light RH signal | Step light RH on | Below 1 V |
| Step light RH off | 11 to 14 V |
| CHECK INNER REAR VIEW MIRROR ASSEMBLY (w/ Automatic High Beam System) |
Disconnect the R16 mirror connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| R16-1 (IG) - Body ground | G - Body ground | IG power supply | Ignition switch ON | 11 to 14 V |
| R16-2 (E) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction on the wire harness side.
Reconnect the R16 mirror connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| R16-10 (LIN) - R16-2 (E) | B - W-B | LIN communication | Automatic high beam system operates | Pulse generation (See waveform 1) |
Waveform 1
| Item | Content |
| Terminal No. (Symbol) | R16-10 (LIN) - R16-2 (E) |
| Tool setting | 2 V/DIV., 20 ms./DIV. |
| Condition | Automatic high beam system operates |