POWER MIRROR CONTROL SYSTEM (w/ Memory) > TERMINALS OF ECU |
| CHECK OUTER MIRROR CONTROL ECU LH |

Disconnect the R17 connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| BDR (P17-3) - Body ground | G - Body ground | +B power supply | Always | 10 to 14 V |
| CPUB (P17-7) - Body ground | L-B - Body ground | +B power supply | Always | 10 to 14 V |
| SIG (P17-8) - Body ground | GR - Body ground | Ignition power supply | Ignition switch OFF → ON | 0 V → 10 to 14 V |
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| GND (P27-1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Reconnect the R17 connector.
Measure the voltage according to the value(s) in the table below.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| LMVR (R22-1) - Body ground | V - Body ground | Outer mirror switch signal (Up or Right) | Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ UP or Right | 0 V → 10 to 14 V |
| HTR+ (R22-4) - HTR- (R22-12) | B - B | Mirror heater signal | Mirror heater switch ON | 0 V → 10 to 14 V |
| LVC (R22-5) - Body ground | R-W - Body ground | Power source for mirror position sensor | Ignition switch OFF → ACC | 0 V → 0 to 5 V |
| VSSR (R22-6) - Body ground | Y-B - Body ground | Vertical direction position signal | Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch uppermost position → lowermost position | 0 V → 1 to 3V |
| LMHR (R22-9) - Body ground | BR - Body ground | Outer mirror switch signal (Left or Down) | Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ LEFT or DOWN | 0 V → 10 to 14 V |
| LM+R (R22-10) - Body ground | R - Body ground | Outer mirror switch signal (Right or Down) | Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ RIGHT or DOWN | 0 V → 10 to 14 V |
| HSSR (R22-13) - Body ground | P - Body ground | Horizontal direction position signal | Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch innermost position → outermost position | 0 V → 1 to 3 V |
| CHECK OUTER MIRROR CONTROL ECU RH |

Disconnect the R18 connector.
Measure the voltage and resistance according to the value(s) in the table below.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| BDR (P18-3) - Body ground | G - Body ground | +B power supply | Always | 10 to 14 V |
| CPUB (P18-7) - Body ground | L-B - Body ground | +B power supply | Always | 10 to 14 V |
| SIG (P18-8) - Body ground | GR - Body ground | Ignition power supply | Ignition switch OFF → ON | 0 V → 10 to 14 V |
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| GND (P18-1) - Body ground | W-B - Body ground | Ground | Always | Below 1 Ω |
Reconnect the R18 connector.
Measure the voltage according to the value(s) in the table below.
| Symbols (Terminal No.) | Wiring Color | Terminal Description | Condition | Specified Condition |
| LMVR (R23-1) - Body ground | V - Body ground | Outer mirror switch signal (Up or Right) | Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ UP or Right | 0 V → 10 to 14 V |
| HTR+ (R23-4) - HTR- (R30-12) | B - B | Mirror heater signal | Mirror heater switch ON | 0 V → 10 to 14 V |
| LVC (R23-5) - Body ground | R-W - Body ground | Power source for mirror position sensor | Ignition switch OFF → ACC | 0 V → 0 to 5 V |
| VSSR (R23-6) - Body ground | Y-B - Body ground | Vertical direction position signal | Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch uppermost position → lowermost position | 0 V → 1 to 3V |
| LMHR (R23-9) - Body ground | BR - Body ground | Outer mirror switch signal (Left or Down) | Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ LEFT or DOWN | 0 V → 10 to 14 V |
| LM+R (R23-10) - Body ground | R - Body ground | Outer mirror switch signal (Right or Down) | Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch OFF→ RIGHT or DOWN | 0 V → 10 to 14 V |
| HSSR (R23-13) - Body ground | P - Body ground | Horizontal direction position signal | Ignition switch ACC, Left/Right adjustment switch L side, Mirror switch innermost position → outermost position | 0 V → 1 to 3 V |