Engine Hybrid System. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Cruise Control. Hilux. Tgn26, 36 Kun25, 26, 35, 36 Ggn25
Cruise Control System -- Terminals Of Ecm |
CHECK ECM |

Disconnect the C23, G38 and G39 ECM connectors.
Measure the voltage and resistance according to the value(s) in the table below.
If the result is not as specified, there may be a malfunction on the wire harness side.Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G38-2 (BATT) - C23-7 (E1) L - BR Battery Always 11 to 14 V G39-9 (IGSW) - C23-7 (E1) B-O - BR IG power supply Ignition switch ON 11 to 14 V Ignition switch off Below 1 V G38-15 (STP) - C23-7 (E1) G-W - BR Stop light switch input signal Brake pedal released Below 1 V Brake pedal depressed 11 to 14 V G38-14 (ST1-) - C23-7 (E1) R-L - BR Cruise cancel input signal Ignition switch ON
Brake pedal depressedBelow 1 V Ignition switch ON
Brake pedal released11 to 14 V C23-7 (E1) - Body ground BR - Body ground Ground Always Below 1 Ω Reconnect the C23, G38 and G39 ECM connectors.
Measure the voltage according to the value(s) in the table below.
If the result is not as specified, the ECM may be malfunctioning.Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition G39-21 (CCS) - C23-7 (E1) G-W - BR Cruise control main switch signal Ignition switch ON 11 to 14 V Ignition switch ON
CANCEL switch held on6.6 to 10.1 V Ignition switch ON
-SET switch held on4.5 to 7.1 V Ignition switch ON
+RES switch held on2.3 to 4.0 V Ignition switch ON
Cruise control main switch onBelow 1 V G38-3 (P1) - C23-7 (E1) L-B - BR Cruise main indicator light input signal Ignition switch ON
Cruise control main switch onBelow 1 V G38-3 (P1) - C23-7 (E1) L-B - BR Cruise control main switch signal Ignition switch ON
Cruise control main switch off11 to 14 V G39-11 (TC) - C23-7 (E1) P-B - BR Terminal TC of DLC3 Ignition switch ON 9 to 14 V