Land Cruiser URJ200 URJ202 GRJ200 VDJ200 - WINDOW / GLASS
WINDSHIELD DEICER SYSTEM - TERMINALS OF ECU
| CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (w/ Rear Heater) |
Disconnect the E36 air conditioning amplifier assembly connector.
Measure the resistance and voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E36-5 (IG+) - E36-1 (GND) | G - W-B | Power source (IG) | Ignition switch ON | 11 to 14 V |
| Ignition switch off | Below 1 V | |||
| E36-6 (+B1) - E36-1 (GND) | R - W-B | Power source | Always | 11 to 14 V |
| E36-7 (+B2) - E36-1 (GND) | R - W-B | Power source | Always | 11 to 14 V |
| E36-1 (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 E36 air conditioning amplifier assembly connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E36-23 (FDEF) - E36-1 (GND) | GR - W-B | Deicer relay | Ignition switch ON and deicer switch off | 11 to 14 V |
| Ignition switch ON and deicer switch on | Below 1 V |
| CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (w/o Rear Heater) |
Disconnect the E81 air conditioning amplifier assembly connector.
Measure the resistance and voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E81-1 (IG+) - E81-14 (GND) | G - W-B | Power source (IG) | Ignition switch ON | 11 to 14 V |
| Ignition switch off | Below 1 V | |||
| E81-21 (+B1) - E81-14 (GND) | R - W-B | Power source | Always | 11 to 14 V |
| E81-14 (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 E81 air conditioning amplifier assembly connector.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| E81-40 (FDEF) - E81-14 (GND) | GR - W-B | Deicer relay | Ignition switch ON and deicer switch off | 11 to 14 V |
| Ignition switch ON and deicer switch on | Below 1 V |
| CHECK AIR CONDITIONING CONTROL ASSEMBLY (w/o Navigation System) |
Disconnect the F10 air conditioning control assembly connector.
Measure the resistance and voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| F10-7 (IG+) - F10-1 (GND) | G - W-B | Power source (IG) | Ignition switch ON | 11 to 14 V |
| Ignition switch off | Below 1 V | |||
| F10-1 (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.
| MULTI-MEDIA MODULE RECEIVER ASSEMBLY (w/ Navigation System) |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| F77-17 (+B1) - F77-12 (GND1) | R - W-B | Power source | Always | 11 to 14 V |
| F77-12 (GND1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| F77-15 (IG) - F77-12 (GND1) | G - W-B | Power source (IG) | Ignition switch ON | 11 to 14 V |
| Ignition switch off | Below 1 V | |||
| F77-16 (ACC1) - F77-12 (GND1) | GR - W-B | Power source (ACC) | Ignition switch ACC | 11 to 14 V |
| Ignition switch off | Below 1 V | |||
| F77-35 (UIND) | R | UART communication signal | - | - |
| F77-36 (UPSW) | P | UART communication signal | - | - |
| F77-1 (CANH) | P | CAN communication signal | - | - |
| F77-2 (CANL) | B | CAN communication signal | - | - |
| MULTI-DISPLAY ASSEMBLY (w/ Navigation System) |
| Terminal No. (Symbol) | Wiring Color | Terminal Description | Condition | Specified Condition |
| F79-12 (+B2) - F79-13 (GND1) | R - BR | Power source | Always | 11 to 14 V |
| F79-13 (GND1) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| F79-23 (IG) - F79-13 (GND1) | G - BR | Power source (IG) | Ignition switch ON | 11 to 14 V |
| Ignition switch off | Below 1 V | |||
| F79-24 (ACC) - F79-13 (GND1) | GR - BR | Power source (ACC) | Ignition switch ACC | 11 to 14 V |
| Ignition switch off | Below 1 V | |||
| F79-3 (UPSW) | P | UART communication signal | - | - |
| F79-4 (UIND) | R | UART communication signal | - | - |