CHECK POWER DISTRIBUTION BOX ASSEMBLY AND MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU)
Remove the main body ECU (multiplex network body ECU).
| *1 | Power Distribution Box Assembly | *2 | Main Body ECU (Multiplex Network Body ECU) |
Reconnect the power distribution box assembly connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| MB-13 (GND1) - Body ground | Ground | Always | Below 1 Ω |
| MB-14 (GND2) - Body ground | Ground | Always | Below 1 Ω |
| MB-26 (BECU) - Body ground | Auxiliary battery power supply | Ignition switch off | 11 to 14 V |
| MB-27 (IGR) - Body ground | IG power supply | Ignition switch off | Below 1 V |
| Ignition switch ON | 11 to 14 V |
Install the main body ECU (multiplex network body ECU).
Measure the voltage and check for pulses according to the value(s) in the table below.
| Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| 8B-2 - Body ground*1 | Mirror heater drive signal | Ignition switch ON, rear window defogger switch off | Below 1 V |
| Ignition switch ON, rear window defogger switch on | 11 to 14 V | ||
| I86-26 (AMR) - Body ground*2 | Power retract mirror motor drive voltage (Input) | Auto retractable outer mirror switch on outer mirror switch assembly auto retracted position. | Below 1 V |
| Auto retractable outer mirror switch on outer mirror switch assembly return position. | 11 to 14 V | ||
| I86-27 (RET) - Body ground*2 | Power retract mirror motor drive voltage (Input) | Auto retractable outer mirror switch on outer mirror switch assembly retracted position. | Below 1 V |
| Auto retractable outer mirror switch on outer mirror switch assembly driving position. | 11 to 14 V | ||
| 8C-10 - Body ground*2 | Power retract mirror motor drive voltage (Output) | Outer rear view mirror assembly moves to the retracted position. | Below 1 V |
| Outer rear view mirror assembly not move. | 11 to 14 V | ||
| 8C-24 - Body ground*2 | Power retract mirror motor drive voltage (Output) | Outer rear view mirror assembly moves to the return position. | Below 1 V |
| Outer rear view mirror assembly not move. | 11 to 14 V |
*1: w/ Mirror Heater
*2: w/ Automatic Retractable Mirror
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (w/ Mirror Heater)
AIR CONDITIONING CONTROL ASSEMBLY (w/ Mirror Heater)