CHECK MAIN BODY ECU (MULTIPLEX NETWORK BODY ECU) AND POWER DISTRIBUTION BOX ASSEMBLY
Disconnect the power distribution box assembly and main body ECU (multiplex network body ECU) connectors.
Measure the resistance and voltage 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 | Ignition power supply (IG signal) | Ignition switch ON | 11 to 14 V |
| Ignition switch off | Below 1 V |
Install the main body ECU (multiplex network body ECU) to power distribution box assembly.
Measure the resistance and voltage according to the value(s) in the table below.
| Terminal No. (Symbol) | Terminal Description | Condition | Specified Condition |
|---|---|---|---|
| I86-27 (RET) - Body ground*1 | Power retract mirror motor drive voltage | Auto retractable outer mirror switch on outer mirror switch assembly retracted position. | Below 1 Ω |
| Auto retractable outer mirror switch on outer mirror switch assembly driving position. | 11 to 14 V | ||
| I86-26 (AMR) - Body ground*1 | Power retract mirror motor drive voltage | Auto retractable outer mirror switch on outer mirror switch assembly auto retracted position. | Below 1 Ω |
| Auto retractable outer mirror switch on outer mirror switch assembly driving position. | 11 to 14 V | ||
| 10E-22 - Body ground*1 | Power retract mirror motor drive voltage | Outer rear view mirror assembly moves to the retracted position. | Below 1 Ω |
| Outer rear view mirror assembly not move. | 11 to 14 V | ||
| 10E-21 - Body ground*1 | Power retract mirror motor drive voltage | Outer rear view mirror assembly moves to the driving position. | Below 1 Ω |
| Outer rear view mirror assembly not move. | 11 to 14 V | ||
| 10E-6 - Body ground*2 | Mirror heater drive voltage (Output) | ·
Ignition switch ON ·
Rear defogger switch off |
Below 1 V |
·
Ignition switch ON ·
Rear defogger switch on |
11 to 14 V |
*1: w/ Automatic Retractable Mirror
*2: w/ Mirror Heater
CHECK AIR CONDITIONING AMPLIFIER ASSEMBLY (w/ Mirror Heater)