Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - THEFT DETERRENT / KEYLESS ENTRY
ENGINE IMMOBILISER SYSTEM (w/o Entry and Start System) - TERMINALS OF ECU
| CHECK TRANSPONDER KEY AMPLIFIER |
Measure the resistance and voltage, and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Input/Output | Wiring Color | Terminal Description | Condition | Specified Condition | Related Data List Item/DTC |
| E95-7 (AGND) - Body ground | - | SB - Body ground | Ground | Always | Below 1 Ω | - |
| E95-1 (VC5) - E95-7 (AGND) | Input | P - SB | Transponder key amplifier power supply | No key in ignition key cylinder | Below 1 V | - |
| E95-4 (CODE) - E95-7 (AGND) | Output | V - SB | Demodulated signal of key code data | No key in ignition key cylinder | Below 1 V | - |
| E95-5 (TXCT) - E95-7 (AGND) | Input | LG - SB | Key code output signal | No key in ignition key cylinder | Below 1 V | - |
Check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Input/Output | Wiring Color | Terminal Description | Condition | Specified Condition | Related Data List Item/DTC |
| E95-1 (VC5) - E95-7 (AGND) | Input | P - SB | Transponder key amplifier power supply | Key inserted in ignition key cylinder | Pulse generation (See waveform 1) | BCC Malfunction Abnormal Status Different Encrypt Code Different Serial Number |
| E95-4 (CODE) - E95-7 (AGND) | Output | V - SB | Demodulated signal of key code data | Key inserted in ignition key cylinder | Pulse generation (See waveform 2) | |
| E95-5 (TXCT) - E95-7 (AGND) | Input | LG - SB | Key code output signal | Key inserted in ignition key cylinder | Pulse generation (See waveform 3) |
Inspect using an oscilloscope.
- NOTICE:
- The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.
Waveform 1 (Reference)
| Item | Content |
| Tester Connection | E95-1 (VC5) - E95-7 (AGND) |
| Tool Setting | 1 V/DIV., 20 ms./DIV. |
| Condition | Key inserted in ignition key cylinder |
Waveform 2 (Reference)
| Item | Content |
| Tester Connection | E95-4 (CODE) - E95-7 (AGND) |
| Tool Setting | 1 V/DIV., 20 ms./DIV. |
| Condition | Key inserted in ignition key cylinder |
Waveform 3 (Reference)
| Item | Content |
| Tester Connection | E95-5 (TXCT) - E95-7 (AGND) |
| Tool Setting | 1 V/DIV., 20 ms./DIV. |
| Condition | Key inserted in ignition key cylinder |
| CHECK TRANSPONDER KEY ECU ASSEMBLY |
Disconnect the E96 transponder key ECU assembly connector.
Measure the resistance and voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Input/Output | Wiring Color | Terminal Description | Condition | Specified Condition | Related Data List Item/DTC |
| E96-16 (GND) - Body ground | - | W-B - Body ground | Ground | Always | Below 1 Ω | - |
| E96-1 (+B) - E96-16 (GND) | Input | B - W-B | Battery | Always | 11 to 14 V | +B |
| E96-2 (IG) - E96-16 (GND) | Input | B - W-B | Ignition switch | Ignition switch off | Below 1 V | IG SW |
| Ignition switch ON | 11 to 14 V | |||||
| E96-3 (KSW) - E96-16 (GND) | Input | G - W-B | Unlock warning switch | No key in ignition key cylinder | 10 kΩ or higher | Key SW/B2780 |
| Key inserted in ignition key cylinder | Below 1 Ω |
Reconnect the E96 transponder key ECU connector.
Measure the resistance and voltage, and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Input/Output | Wiring Color | Terminal Description | Condition | Specified Condition | Related Data List Item/DTC |
| E96-14 (VC5) - E96-16 (GND) | Input | P - W-B | Transponder key amplifier power supply | No key in ignition key cylinder | Below 1 V | BCC Malfunction Abnormal Status Different Encrypt Code Different Serial Number |
| Key inserted in ignition key cylinder | Pulse generation (See waveform 1) | |||||
| E96-4 (TXCT) - E96-16 (GND) | Input | LG - W-B | Key code output signal | No key in ignition key cylinder | Below 1 V | |
| Key inserted in ignition key cylinder | Pulse generation (See waveform 2) | |||||
| E96-15 (CODE) - E96-16 (GND) | Output | V - W-B | Demodulated signal of key code data | No key in ignition key cylinder | Below 1 V | |
| Key inserted in ignition key cylinder | Pulse generation (See waveform 3) | |||||
| E96-13 (EFIO) - E96-16 (GND) | Input | R - W-B | ECM output signal | Ignition switch off | Below 1 V | E/G Start Permission |
| Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected | Pulse generation (See waveform 4) | |||||
| E96-12 (EFII) - E96-16 (GND) | Output | W - W-B | ECM input signal | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected | Pulse generation (See waveform 5) | E/G Start Permission |
| E96-9 (D) - E96-16 (GND) | Input/Output | R - W-B | Diagnosis tester communication | Always | Pulse generation | - |
| E96-5 (AGND) - Body ground | - | SB - Body ground | Transponder key amplifier ground | Always | Below 1 Ω | - |
| E96-8 (IND) - Body ground | Output | V - Body ground | Security indicator signal | No key in ignition key cylinder, or 20 sec. elapsed after turning the ignition switch to ACC or off (engine immobiliser system set) | Pulse generation | - |
| Key in ignition key cylinder (engine immobiliser system unset) | Below 1 V |
Inspect using an oscilloscope.
- NOTICE:
- The waveform shown in the illustration is an example for reference only. Noise, chattering, etc. are not shown.
Waveform 1 (Reference)
| Item | Content |
| Tester Connection | E96-14 (VC5) - E96-16 (GND) |
| Tool Setting | 1 V/DIV., 20 ms./DIV. |
| Condition | Key inserted in ignition key cylinder |
Waveform 2 (Reference)
| Item | Content |
| Tester Connection | E96-4 (TXCT) - E96-16 (GND) |
| Tool Setting | 1 V/DIV., 20 ms./DIV. |
| Condition | Key inserted in ignition key cylinder |
Waveform 3 (Reference)
| Item | Content |
| Tester Connection | E96-15 (CODE) - E96-16 (GND) |
| Tool Setting | 1 V/DIV., 20 ms./DIV. |
| Condition | Key inserted in ignition key cylinder |
Waveform 4 (Reference)
| *a | Waveform A | *b | Waveform B |
| *c | Approximately 160 ms | *d | Approximately 510 ms |
| *e | Approximately 270 ms | - | - |
| Item | Content |
| Tester Connection | E96-13 (EFIO) - E96-16 (GND) |
| Tool Setting | 2 V/DIV., 500 ms./DIV. |
| Condition | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected |
Waveform 5 (Reference)
| *a | Waveform A | *b | Waveform B |
| *c | Approximately 160 ms | *d | Approximately 510 ms |
| *e | Approximately 270 ms | - | - |
| Item | Content |
| Tester Connection | E96-12 (EFII) - E96-16 (GND) |
| Tool Setting | 2 V/DIV., 500 ms./DIV. |
| Condition | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected |
| CHECK ECM (for 1GR-FE) |
for LHD:
Measure the voltage and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Input/Output | Wiring Color | Terminal Description | Condition | Specified Condition | Related Data List Item/DTC |
| C45-81 (E1) - Body ground | - | BR - Body ground | Ground | Always | Below 1 Ω | - |
| A38-20 (BATT) - C45-81 (E1) | Input | L - BR | +B power supply | Always | 11 to 14 V | - |
| A38-1 (+B2) - C45-81 (E1) | Input | B - BR | +B power supply | Ignition switch ON | 11 to 14 V | - |
| A38-2 (+B) - C45-81 (E1) | Input | B - BR | +B power supply | Ignition switch ON | 11 to 14 V | - |
| A38-10 (IMO) - C45-81 (E1) | Input | W - BR | Transponder key ECU assembly communication input | Ignition switch off | 11 to 14 V | - |
| Transponder key ECU assembly communication input | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected. | Pulse generation (See waveform 1) | - | |||
| A38-11 (IMI) - C45-81 (E1) | Output | R - BR | Transponder key ECU assembly communication output | Ignition switch off | 11 to 14 V | - |
| Transponder key ECU assembly communication output | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected. | Pulse generation (See waveform 2) | - |
for RHD:
Measure the voltage and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Input/Output | Wiring Color | Terminal Description | Condition | Specified Condition | Related Data List Item/DTC |
| C46-81 (E1) - Body ground | - | BR - Body ground | Ground | Always | Below 1 Ω | - |
| A52-20 (BATT) - C46-81 (E1) | Input | L - BR | +B power supply | Always | 11 to 14 V | - |
| A52-1 (+B2) - C46-81 (E1) | Input | B - BR | +B power supply | Ignition switch ON | 11 to 14 V | - |
| A52-2 (+B) - C46-81 (E1) | Input | B - BR | +B power supply | Ignition switch ON | 11 to 14 V | - |
| A52-10 (IMO) - C46-81 (E1) | Input | W - BR | Transponder key ECU assembly communication input | Ignition switch off | 11 to 14 V | - |
| Transponder key ECU assembly communication input | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected. | Pulse generation (See waveform 1) | - | |||
| A52-11 (IMI) - C46-81 (E1) | Output | R - BR | Transponder key ECU assembly communication output | Ignition switch off | 11 to 14 V | - |
| Transponder key ECU assembly communication output | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected. | Pulse generation (See waveform 2) | - |
Inspect using an oscilloscope.
Waveform 1 (Reference)
| *a | Waveform A | *b | Waveform B |
| *c | Approximately 160 ms | *d | Approximately 510 ms |
| *e | Approximately 270 ms | - | - |
| Item | Content |
| Tester Connection | A38-10 (IMO) - C45-81 (E1)*1 A52-10 (IMO) - C46-81 (E1)*2 |
| Tool Setting | 2 V/DIV., 500 ms./DIV. |
| Condition | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected |
*1: for LHD
*2: for RHD
Waveform 2 (Reference)
| *a | Waveform A | *b | Waveform B |
| *c | Approximately 160 ms | *d | Approximately 510 ms |
| *e | Approximately 270 ms | - | - |
| Item | Content |
| Tester Connection | A38-11 (IMI) - C45-81 (E1)*1 A52-11 (IMI) - C46-81 (E1)*2 |
| Tool Setting | 2 V/DIV., 500 ms./DIV. |
| Condition | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected |
*1: for LHD
*2: for RHD
| CHECK ECM (for 1VD-FTV) |
for LHD:
Measure the voltage and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Input/Output | Wiring Color | Terminal Description | Condition | Specified Condition | Related Data List Item/DTC |
| C45-81 (E1) - Body ground | - | BR - Body ground | Ground | Always | Below 1 Ω | - |
| A38-20 (BATT) - C45-81 (E1) | Input | L - BR | +B power supply | Always | 11 to 14 V | - |
| A38-2 (+B) - C45-81 (E1) | Input | B - BR | +B power supply | Ignition switch ON | 11 to 14 V | - |
| A38-10 (IMO) - C45-81 (E1) | Input | W - BR | Transponder key ECU assembly communication input | Ignition switch off | 11 to 14 V | - |
| Transponder key ECU assembly communication input | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected. | Pulse generation (See waveform 1) | - | |||
| A38-11 (IMI) - C45-81 (E1) | Output | R - BR | Transponder key ECU assembly communication output | Ignition switch off | 11 to 14 V | - |
| Transponder key ECU assembly communication output | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected. | Pulse generation (See waveform 2) | - |
for RHD:
Measure the voltage and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Input/Output | Wiring Color | Terminal Description | Condition | Specified Condition | Related Data List Item/DTC |
| C46-81 (E1) - Body ground | - | BR - Body ground | Ground | Always | Below 1 Ω | - |
| A52-20 (BATT) - C46-81 (E1) | Input | L - BR | +B power supply | Always | 11 to 14 V | - |
| A52-2 (+B) - C46-81 (E1) | Input | B - BR | +B power supply | Ignition switch ON | 11 to 14 V | - |
| A52-10 (IMO) - C46-81 (E1) | Input | W - BR | Transponder key ECU assembly communication input | Ignition switch off | 11 to 14 V | - |
| Transponder key ECU assembly communication input | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected. | Pulse generation (See waveform 1) | - | |||
| A52-11 (IMI) - C46-81 (E1) | Output | R - BR | Transponder key ECU assembly communication output | Ignition switch off | 11 to 14 V | - |
| Transponder key ECU assembly communication output | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected. | Pulse generation (See waveform 2) | - |
Inspect using an oscilloscope.
Waveform 1 (Reference)
| *a | Waveform A | *b | Waveform B |
| *c | Approximately 160 ms | *d | Approximately 510 ms |
| *e | Approximately 270 ms | - | - |
| Item | Content |
| Tester Connection | A38-10 (IMO) - C45-81 (E1)*1 A52-10 (IMO) - C46-81 (E1)*2 |
| Tool Setting | 2 V/DIV., 500 ms./DIV. |
| Condition | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected |
*1: for LHD
*2: for RHD
Waveform 2 (Reference)
| *a | Waveform A | *b | Waveform B |
| *c | Approximately 160 ms | *d | Approximately 510 ms |
| *e | Approximately 270 ms | - | - |
| Item | Content |
| Tester Connection | A38-11 (IMI) - C45-81 (E1)*1 A52-11 (IMI) - C46-81 (E1)*2 |
| Tool Setting | 2 V/DIV., 500 ms./DIV. |
| Condition | Within 3 seconds after starter operates and initial combustion occurs, or within 3 seconds after ignition switch first turned to ON after battery disconnected and reconnected |
*1: for LHD
*2: for RHD