CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (for RHD)
Disconnect the I10 connector from the outer mirror control ECU assembly.
Measure the voltage and resistance according to the value(s) in the table below.
Measure the values on the wire harness side with the connector disconnected.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| I10-9 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| I10-3 (B) - I10-9 (GND) | Y - W-B | Battery (ECU power source) | Always | 11 to 14 V |
| I10-4 (ACC) - I10-9 (GND) | P - W-B | ACC power supply | Engine switch off | Below 1 V |
| Engine switch on (ACC) | 11 to 14 V |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the I10 connector to the outer mirror control ECU assembly.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| I10-1 (RL) - I10-9 (GND) | V - W-B | Mirror retract motor output (retracting) | Outer mirror retractable switch on (Outer rear view mirror assembly LH retracting) | 10.3 to 14 V |
| I10-2 (FL) - I10-9 (GND) | LG - W-B | Mirror retract motor output (returning) | Outer mirror retractable switch off (Outer rear view mirror assembly LH returning) | 10.3 to 14 V |
| I10-5 (RR) - I10-9 (GND) | V - W-B | Mirror retract motor output (retracting) | Outer mirror retractable switch on (Outer rear view mirror assembly RH retracting) | 10.3 to 14 V |
| I10-6 (FR) - I10-9 (GND) | LG - W-B | Mirror retract motor output (returning) | Outer mirror retractable switch off (Outer rear view mirror assembly RH returning) | 10.3 to 14 V |
| I9-18 (M+L) - I10-9 (GND) | Y - W-B | Mirror motor output | Mirror select switch L, Mirror adjust switch off | Below 1 V |
| Mirror select switch L, Mirror adjust switch up or left | Below 1 V | |||
| Mirror select switch L, Mirror adjust switch down or right | 11 to 14 V | |||
| I9-19 (MHL) - I10-9 (GND) | B - W-B | Mirror motor output | Mirror select switch L, Mirror adjust switch off | Below 1 V |
| Mirror select switch L, Mirror adjust switch right | Below 1 V | |||
| Mirror select switch L, Mirror adjust switch left | 11 to 14 V | |||
| I9-20 (MVL) - I10-9 (GND) | L - W-B | Mirror motor output | Mirror select switch L, Mirror adjust switch off | Below 1 V |
| Mirror select switch L, Mirror adjust switch down | Below 1 V | |||
| Mirror select switch L, Mirror adjust switch up | 11 to 14 V | |||
| I9-38 (M+R) - I10-9 (GND) | Y - W-B | Mirror motor output | Mirror select switch R, Mirror adjust switch off | Below 1 V |
| Mirror select switch R, Mirror adjust switch up or left | Below 1 V | |||
| Mirror select switch R, Mirror adjust switch down or right | 11 to 14 V | |||
| I9-39 (MHR) - I10-9 (GND) | P - W-B | Mirror motor output | Mirror select switch R, Mirror adjust switch off | Below 1 V |
| Mirror select switch R, Mirror adjust switch right | Below 1 V | |||
| Mirror select switch R, Mirror adjust switch left | 11 to 14 V | |||
| I9-40 (MVR) - I10-9 (GND) | GR - W-B | Mirror motor output | Mirror select switch R, Mirror adjust switch off | Below 1 V |
| Mirror select switch R, Mirror adjust switch down | Below 1 V | |||
| Mirror select switch R, Mirror adjust switch up | 11 to 14 V | |||
| I9-4 (VSR) - I9-3 (LE1) | R - BR | Vertical direction position signal | Mirror select switch L Mirror adjust switch up or down |
Voltage fluctuates between 0.49 and 4.45 V |
| I9-5 (HSRL) - I9-3 (LE1) | P - BR | Horizontal direction position signal | Mirror select switch L Mirror adjust switch right or left |
Voltage fluctuates between 0.49 and 4.45 V |
| I9-2 (LVC) - I9-3 (LE1) | W - BR | Power source for mirror position sensor | Engine switch off during sleep mode | Below 1 V |
| Engine switch on (IG) | 4.7 to 5.5 V | |||
| I9-24 (VSRR) - I9-23 (RE1) | W - P | Vertical direction position signal | Mirror select switch R Mirror adjust switch up or down |
Voltage fluctuates between 0.49 and 4.45 V |
| I9-25 (HSRR) - I9-23 (RE1) | B - P | Horizontal direction position signal | Mirror select switch R Mirror adjust switch right or left |
Voltage fluctuates between 0.49 and 4.45 V |
| I9-22 (RVC) - I9-23 (RE1) | BR - P | Power source for mirror position sensor | Engine switch off during sleep mode | Below 1 V |
| Engine switch on (IG) | 4.7 to 5.5 V |
If the result is not as specified, the ECU may have a malfunction.
CHECK OUTER MIRROR CONTROL ECU ASSEMBLY (for LHD)
Disconnect the J13 connector from the outer mirror control ECU assembly.
Measure the voltage and resistance according to the value(s) in the table below.
Measure the values on the wire harness side with the connector disconnected.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| J13-9 (GND) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
| J13-3 (B) - J13-9 (GND) | Y - W-B | Battery (ECU power source) | Always | 11 to 14 V |
| J13-4 (ACC) - J13-9 (GND) | P - W-B | ACC power supply | Engine switch off | Below 1 V |
| Engine switch on (ACC) | 11 to 14 V |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the J13 connector to the outer mirror control ECU assembly.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| J13-1 (RL) - J13-9 (GND) | V - W-B | Mirror retract motor output (retracting) | Outer mirror retractable switch on (Outer rear view mirror assembly LH retracting) | 10.3 to 14 V |
| J13-2 (FL) - J13-9 (GND) | LG - W-B | Mirror retract motor output (returning) | Outer mirror retractable switch off (Outer rear view mirror assembly LH returning) | 10.3 to 14 V |
| J13-5 (RR) - J13-9 (GND) | V - W-B | Mirror retract motor output (retracting) | Outer mirror retractable switch on (Outer rear view mirror assembly RH retracting) | 10.3 to 14 V |
| J13-6 (FR) - J13-9 (GND) | LG - W-B | Mirror retract motor output (returning) | Outer mirror retractable switch off (Outer rear view mirror assembly RH returning) | 10.3 to 14 V |
| J12-18 (M+L) - J13-9 (GND) | Y - W-B | Mirror motor output | Mirror select switch L, Mirror adjust switch off | Below 1 V |
| Mirror select switch L, Mirror adjust switch up or left | Below 1 V | |||
| Mirror select switch L, Mirror adjust switch down or right | 11 to 14 V | |||
| J12-19 (MHL) - J13-9 (GND) | B - W-B | Mirror motor output | Mirror select switch L, Mirror adjust switch off | Below 1 V |
| Mirror select switch L, Mirror adjust switch right | Below 1 V | |||
| Mirror select switch L, Mirror adjust switch left | 11 to 14 V | |||
| J12-20 (MVL) - J13-9 (GND) | L - W-B | Mirror motor output | Mirror select switch L, Mirror adjust switch off | Below 1 V |
| Mirror select switch L, Mirror adjust switch down | Below 1 V | |||
| Mirror select switch L, Mirror adjust switch up | 11 to 14 V | |||
| J12-38 (M+R) - J13-9 (GND) | Y - W-B | Mirror motor output | Mirror select switch R, Mirror adjust switch off | Below 1 V |
| Mirror select switch R, Mirror adjust switch up or left | Below 1 V | |||
| Mirror select switch R, Mirror adjust switch down or right | 11 to 14 V | |||
| J12-39 (MHR) - J13-9 (GND) | P - W-B | Mirror motor output | Mirror select switch R, Mirror adjust switch off | Below 1 V |
| Mirror select switch R, Mirror adjust switch right | Below 1 V | |||
| Mirror select switch R, Mirror adjust switch left | 11 to 14 V | |||
| J12-40 (MVR) - J13-9 (GND) | GR - W-B | Mirror motor output | Mirror select switch R, Mirror adjust switch off | Below 1 V |
| Mirror select switch R, Mirror adjust switch down | Below 1 V | |||
| Mirror select switch R, Mirror adjust switch up | 11 to 14 V | |||
| J12-4 (VSR) - J12-3 (LE1) | R - BR | Vertical direction position signal | Mirror select switch L Mirror adjust switch up or down |
Voltage fluctuates between 0.49 and 4.45 V |
| J12-5 (HSRL) - J12-3 (LE1) | P - BR | Horizontal direction position signal | Mirror select switch L Mirror adjust switch right or left |
Voltage fluctuates between 0.49 and 4.45 V |
| J12-2 (LVC) - J12-3 (LE1) | W - BR | Power source for mirror position sensor | Engine switch off during sleep mode | Below 1 V |
| Engine switch on (IG) | 4.7 to 5.5 V | |||
| J12-24 (VSRR) - J12-23 (RE1) | W - P | Vertical direction position signal | Mirror select switch R Mirror adjust switch up or down |
Voltage fluctuates between 0.49 and 4.45 V |
| J12-25 (HSRR) - J12-23 (RE1) | B - P | Horizontal direction position signal | Mirror select switch R Mirror adjust switch right or left |
Voltage fluctuates between 0.49 and 4.45 V |
| J12-22 (RVC) - J12-23 (RE1) | BR - P | Power source for mirror position sensor | Engine switch off during sleep mode | Below 1 V |
| Engine switch on (IG) | 4.7 to 5.5 V |
If the result is not as specified, the ECU may have a malfunction.
CHECK MAIN BODY ECU
Disconnect the 4K, 4A and 4M connectors from the main body ECU.
Measure the voltage and resistance according to the value(s) in the table below.
Measure the values wire harness side with the connector disconnected.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| 4K-9 (BATB) - Body ground | W - Body ground | BATB power supply | Always | 11 to 14 V |
| 4A-26 (ACC) - Body ground | GR - Body ground | ACC power supply | Always | 11 to 14 V |
| 4M-1 (IG) - Body ground | W - Body ground | IG power supply | Always | 11 to 14 V |
| 4A-3 (GND2) - Body ground | W-B - Body ground | Body ground | Always | Below 1 Ω |
If the result is not as specified, there may be a malfunction in the wire harness.
Reconnect the 4K, 4A and 4M connectors to the main body ECU.
Measure the voltage according to the value(s) in the table below.
| Tester Connection | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| G49-6 (RET) - 4A-3(GND2) | V - W-B | Mirror retract motor output (retracting) | Power mirror retract switch on | 11 to 14 V |
| G49-6 (RET) - 4A-3(GND2) | V - W-B | Mirror retract motor output (returning) | Power mirror retract switch off | Below 1 V |
| G48-12 (MIRS) - G48-2 (MIRE) | W - Y | Mirror motor output | Mirror select switch L | 11 to 14 V |
| Mirror select switch R | 11 to 14 V | |||
| Mirror select switch off | Below 1 V | |||
| G48-11 (MIRB) - G48-2 (MIRE) | P - Y | Mirror motor output | Mirror select switch L, Mirror adjust switch right | 11 to 14 V |
| Mirror select switch L, Mirror adjust switch left | 11 to 14 V | |||
| Mirror select switch L, Mirror adjust switch down | 11 to 14 V | |||
| Mirror select switch L, Mirror adjust switch up | 11 to 14 V | |||
| Mirror select switch R, Mirror adjust switch right | 11 to 14 V | |||
| Mirror select switch R, Mirror adjust switch left | 11 to 14 V | |||
| Mirror select switch R, Mirror adjust switch down | 11 to 14 V | |||
| Mirror select switch R, Mirror adjust switch up | 11 to 14 V | |||
| Mirror select switch off | Below 1 V |
If the result is not as specified, the ECU may have a malfunction.