CHECK ECM
Disconnect the E14, E15 and E17 ECM connectors.
Measure the voltage and resistance according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| E14-3 (BATT) - E17-1 (E1) | L - BR | Battery | Always | 11 to 14 V |
| E14-9 (IGSW) - E17-1 (E1) | B-O - BR | IG power supply | Ignition switch ON | 11 to 14 V |
| E14-9 (IGSW) - E17-1 (E1) | B-O - BR | IG power supply | Ignition switch off | Below 1 V |
| E17-1 (E1) - Body ground | BR - Body ground | Ground | Always | Below 1 Ω |
| E15-28 (E2) - Body ground | BR - 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 E14, E15 and E17 ECM connectors.
Measure the voltage according to the value(s) in the table below.
| Terminal No. (Symbols) | Wiring Color | Terminal Description | Condition | Specified Condition |
|---|---|---|---|---|
| E14-15 (STP) - E17-1 (E1) | G-W - BR | Stop light switch input signal | Ignition switch ON Brake pedal released |
Below 1 V |
| E14-15 (STP) - E17-1 (E1) | G-W - BR | Stop light switch input signal | Ignition switch ON Brake pedal depressed |
11 to 14 V |
| E14-16 (ST1-) - E17-1 (E1) | R-L - BR | Cruise cancel input signal | Ignition switch ON Brake pedal depressed |
Below 1 V |
| E14-16 (ST1-) - E17-1 (E1) | R-L - BR | Cruise cancel input signal | Ignition switch ON Brake pedal released |
11 to 14 V |
| E13-2 (CCS) - E17-1 (E1) | G-W - BR | Cruise control main switch signal | Ignition switch ON | 11 to 14 V |
| E13-2 (CCS) - E17-1 (E1) | G-W - BR | Cruise control main switch signal | Ignition switch ON CANCEL switch held on |
6.6 to 10.1 V |
| E13-2 (CCS) - E17-1 (E1) | G-W - BR | Cruise control main switch signal | Ignition switch ON (-SET)*1 (SET / COAST)*2 switch held on |
4.5 to 7.1 V |
| E13-2 (CCS) - E17-1 (E1) | G-W - BR | Cruise control main switch signal | Ignition switch ON (+RES)*1 (RES / ACC)*2 switch held on |
2.3 to 4.0 V |
| E13-2 (CCS) - E17-1 (E1) | G-W - BR | Cruise control main switch signal | Ignition switch ON Main switch on |
Below 1 V |
| E13-18 (PI) - E17-1 (E1) | L-B - BR | Cruise main indicator light input signal | Ignition switch ON Main switch on |
Below 1 V |
| E13-18 (PI) - E17-1 (E1) | L-B - BR | Cruise control main switch signal | Ignition switch ON Main switch on |
11 to 14 V |
| E13-21 (D) - E17-1 (E1)*3 | G-W - BR | Clutch signal | Ignition switch ON Clutch pedal released |
11 to 14 V |
| E13-21 (D) - E17-1 (E1)*3 | G-W - BR | Clutch signal | Ignition switch ON Clutch pedal depressed |
Below 1 V |
| E14-23 (TC) - E17-1 (E1) | P-B - BR | Terminal TC of DLC3 | Ignition switch ON | 9 to 14 V |
*1: w/ Multi-display
*2: w/o Multi-display
*3: for Manual Transmission
If the result is not as specified, the ECM may have a malfunction.